Tech News                                                       

Can bottom intake fans lower CPU temperatures? They can reduce the amount of hot GPU exhaust reaching the CPU cooler, but the widely reported 13°C improvement refers to cooler intake air in one simulation, not a guaranteed 13°C drop in CPU core temperature.

A recent computational fluid dynamics simulation from 

 has renewed the debate over traditional PC airflow. Its results suggest that adding fresh air from the bottom of a gaming PC may reduce heat recirculation around the graphics card and CPU cooler.

The findings are interesting, especially for modern systems with large, high-power GPUs. However, they should be understood as the result of one simulated configuration rather than a universal rule for every PC case.

Why GPU Exhaust Can Raise CPU Cooler Intake Temperatures

The traditional gaming PC airflow layout uses front fans as intake, with rear and top fans exhausting warm air. This configuration is simple, widely supported, and still effective in many systems.

The potential problem is what happens after the incoming air passes through the graphics card. Most modern graphics cards draw air through their heatsinks and release the warmed air back inside the case. Part of that heat can rise toward the CPU area before reaching the rear or top exhaust fans.

In the standard configuration modeled by Inviscid AI, the air entering the case began at approximately 22°C. As the simulation continued, GPU exhaust accumulated around the upper portion of the case, and the air reaching the tower CPU cooler reportedly rose to approximately 35°C.

This does not mean the CPU itself reached only 35°C. It means the CPU cooler was attempting to remove processor heat while drawing in air that was already considerably warmer than the room.

What the 13°C Bottom Intake Result Actually Means

Inviscid AI then simulated an alternative configuration that supplied ambient air from the bottom of the case. This upward airflow delivered cooler air more directly toward the graphics card and helped move GPU exhaust toward the case’s exhaust openings.

Under the conditions used in the simulation:

The important distinction is that these figures describe 

air temperature at specific measurement locations

. They do not prove that the processor’s package or core temperature will fall by the same amount.

Cooler design, CPU power consumption, fan speed, thermal paste, ambient temperature, GPU cooler orientation, and case geometry will determine how much of that cooler intake air translates into lower component temperatures. Other coverage of the simulation has raised the same qualification: the result is promising, but it is not a guaranteed improvement for every PC. 

One analysis of the simulation explains the limitation here

How OpenReynolds Uses AI for PC Airflow Simulation

, an open-source project that combines an AI agent with a real OpenFOAM computational fluid dynamics workspace.

Traditional CFD analysis requires engineers to define the geometry, divide the space into a computational mesh, select appropriate solvers, configure boundary conditions, monitor convergence, and interpret the results. The calculations still come from a numerical physics solver, but preparing and managing the workflow can require considerable specialist knowledge.

, users can describe the geometry, fluid, speed, and measurement goal. The agent then helps create the case, generate the mesh, launch the OpenFOAM solver, read residuals, inspect rendered results, and return the relevant files.

This does not mean AI is guessing the temperature distribution or replacing fluid dynamics with an image generator. The AI manages the workflow, while OpenFOAM performs the numerical calculation. The results still depend on the accuracy of the geometry, heat loads, fan curves, boundary conditions, turbulence model, mesh quality, and convergence.

For that reason, CFD is valuable for comparing airflow concepts, but physical measurements inside a real PC remain necessary before treating a simulated temperature difference as a confirmed product benchmark.

Should You Add Bottom Intake Fans to Your Gaming PC?

 when the fans have a clear path to the graphics card. Panoramic and dual-chamber cases commonly use this layout because their glass front panels do not provide conventional front intake airflow.

Before adding bottom fans, check the following:

More fans do not automatically produce better temperatures. A bottom fan positioned against a solid panel, thick cable bundle, or restrictive filter may deliver very little usable airflow. Excessive turbulence can also reduce efficiency or increase noise.

Cases designed around bottom and side intake provide more flexibility. For example, the global 

 supports three 120 mm fans at the bottom, two at the side, three at the top, and one at the rear. This allows builders to create a direct bottom-to-GPU airflow path while using the top and rear positions for exhaust.

Users should still test their own system. Record CPU and GPU temperatures, hotspot readings, fan speeds, and noise under the same workload before and after changing the fan configuration. Real measurements are more useful than assuming a specific simulation result will apply unchanged.

Final Thoughts: Is Bottom Intake Better Than Traditional Airflow?

Bottom intake can be highly effective in modern gaming PCs because it supplies fresh air directly beneath the graphics card and may reduce the amount of GPU exhaust recirculating into the CPU cooler.

However, the reported 13°C result should be described accurately. It was a difference in simulated CPU cooler intake-air temperature under a specific set of conditions, not a measured 13°C reduction in CPU core temperature and not a promise for every PC.

The practical lesson is not that traditional front-to-back airflow has suddenly become obsolete. It is that airflow should match the internal layout of the case. Conventional mesh-front cases may continue to perform well with front intake, while panoramic cases and systems with large GPUs may benefit more from bottom and side intake.

Choose a case with unobstructed fan mounts, adequate underside clearance, removable dust filters, and enough exhaust capacity. Then verify the result with your own temperature and noise testing rather than relying on fan direction alone.





Can bottom intake fans lower CPU temperatures? They can reduce the amount of hot GPU exhaust reaching the CPU cooler, but the widely reported 13°C improvement refers to cooler intake air in one simulation, not a guaranteed 13°C drop in CPU core temperature.

A recent computational fluid dynamics simulation from Inviscid AI has renewed the debate over traditional PC airflow. Its results suggest that adding fresh air from the bottom of a gaming PC may reduce heat recirculation around the graphics card and CPU cooler.

The findings are interesting, especially for modern systems with large, high-power GPUs. However, they should be understood as the result of one simulated configuration rather than a universal rule for every PC case.





(inviscidai @instagram)



Why GPU Exhaust Can Raise CPU Cooler Intake Temperatures

The traditional gaming PC airflow layout uses front fans as intake, with rear and top fans exhausting warm air. This configuration is simple, widely supported, and still effective in many systems.

The potential problem is what happens after the incoming air passes through the graphics card. Most modern graphics cards draw air through their heatsinks and release the warmed air back inside the case. Part of that heat can rise toward the CPU area before reaching the rear or top exhaust fans.

In the standard configuration modeled by Inviscid AI, the air entering the case began at approximately 22°C. As the simulation continued, GPU exhaust accumulated around the upper portion of the case, and the air reaching the tower CPU cooler reportedly rose to approximately 35°C.

This does not mean the CPU itself reached only 35°C. It means the CPU cooler was attempting to remove processor heat while drawing in air that was already considerably warmer than the room.



What the 13°C Bottom Intake Result Actually Means

Inviscid AI then simulated an alternative configuration that supplied ambient air from the bottom of the case. This upward airflow delivered cooler air more directly toward the graphics card and helped move GPU exhaust toward the case’s exhaust openings.

Under the conditions used in the simulation:





CPU cooler intake air remained close to the 22°C ambient temperature.



The conventional configuration produced CPU cooler intake air of approximately 35°C.



The resulting difference was as much as 13°C.



Air below the graphics card was reportedly reduced from approximately 30°C to 26°C.

The important distinction is that these figures describe air temperature at specific measurement locations. They do not prove that the processor’s package or core temperature will fall by the same amount.

Cooler design, CPU power consumption, fan speed, thermal paste, ambient temperature, GPU cooler orientation, and case geometry will determine how much of that cooler intake air translates into lower component temperatures. Other coverage of the simulation has raised the same qualification: the result is promising, but it is not a guaranteed improvement for every PC. One analysis of the simulation explains the limitation here.





(OpenReynolds Website)



How OpenReynolds Uses AI for PC Airflow Simulation

The experiment was created with OpenReynolds, an open-source project that combines an AI agent with a real OpenFOAM computational fluid dynamics workspace.

Traditional CFD analysis requires engineers to define the geometry, divide the space into a computational mesh, select appropriate solvers, configure boundary conditions, monitor convergence, and interpret the results. The calculations still come from a numerical physics solver, but preparing and managing the workflow can require considerable specialist knowledge.

According to the official OpenReynolds repository, users can describe the geometry, fluid, speed, and measurement goal. The agent then helps create the case, generate the mesh, launch the OpenFOAM solver, read residuals, inspect rendered results, and return the relevant files.





(OpenReynolds GitHub)



This does not mean AI is guessing the temperature distribution or replacing fluid dynamics with an image generator. The AI manages the workflow, while OpenFOAM performs the numerical calculation. The results still depend on the accuracy of the geometry, heat loads, fan curves, boundary conditions, turbulence model, mesh quality, and convergence.

For that reason, CFD is valuable for comparing airflow concepts, but physical measurements inside a real PC remain necessary before treating a simulated temperature difference as a confirmed product benchmark.







Should You Add Bottom Intake Fans to Your Gaming PC?

Bottom intake is most useful when the fans have a clear path to the graphics card. Panoramic and dual-chamber cases commonly use this layout because their glass front panels do not provide conventional front intake airflow.

Before adding bottom fans, check the following:





The case must have compatible bottom fan mounts.



There should be enough clearance below the case for air to enter.



A dust filter should cover the bottom intake.



Cables and the power-supply chamber must not obstruct airflow.



The GPU should have enough space above the fans.



Top and rear exhaust capacity should be sufficient to remove the added air.



Fan curves should be adjusted to balance cooling and noise.

More fans do not automatically produce better temperatures. A bottom fan positioned against a solid panel, thick cable bundle, or restrictive filter may deliver very little usable airflow. Excessive turbulence can also reduce efficiency or increase noise.

Cases designed around bottom and side intake provide more flexibility. For example, the global darkFlash FLOATRON F1 ATX PC Case supports three 120 mm fans at the bottom, two at the side, three at the top, and one at the rear. This allows builders to create a direct bottom-to-GPU airflow path while using the top and rear positions for exhaust.

Users should still test their own system. Record CPU and GPU temperatures, hotspot readings, fan speeds, and noise under the same workload before and after changing the fan configuration. Real measurements are more useful than assuming a specific simulation result will apply unchanged.





(darkFlash FLOATRON F1 ATX PC Case)



Final Thoughts: Is Bottom Intake Better Than Traditional Airflow?

Bottom intake can be highly effective in modern gaming PCs because it supplies fresh air directly beneath the graphics card and may reduce the amount of GPU exhaust recirculating into the CPU cooler.

However, the reported 13°C result should be described accurately. It was a difference in simulated CPU cooler intake-air temperature under a specific set of conditions, not a measured 13°C reduction in CPU core temperature and not a promise for every PC.

The practical lesson is not that traditional front-to-back airflow has suddenly become obsolete. It is that airflow should match the internal layout of the case. Conventional mesh-front cases may continue to perform well with front intake, while panoramic cases and systems with large GPUs may benefit more from bottom and side intake.

Choose a case with unobstructed fan mounts, adequate underside clearance, removable dust filters, and enough exhaust capacity. Then verify the result with your own temperature and noise testing rather than relying on fan direction alone.

An AI-assisted CFD simulation suggests bottom intake fans can reduce the temperature of air reaching a CPU cooler by as much as 13°C. Here is what the result actually means for real gaming PCs.

Can Bottom Intake Fans Lower CPU Temperatures? AI Airflow Simulation Explained

Hardware Tips                                                   

Do modern AIO liquid coolers still leak? Yes, leaks remain possible, but 

they are uncommon in properly manufactured, installed, and handled coolers

Unlike custom liquid-cooling loops, an All-in-One liquid cooler arrives as a factory-sealed system with the pump, radiator, tubing, and fittings already assembled. Users do not normally need to add coolant, tighten fittings, or perform regular fluid maintenance. This greatly reduces the number of potential failure points, although no liquid-cooling product can promise absolutely zero risk.

Why Modern AIO Liquid Coolers Are Less Likely to Leak

Modern AIO liquid coolers use sealed fittings, reinforced tubing, and integrated pump-and-radiator designs that require very little user maintenance. Because the loop is assembled at the factory, there are also fewer user-installed connections than in a custom cooling loop.

Manufacturers have continued improving tube materials, seals, and connection points to withstand heat, pressure changes, and repeated thermal cycles. For example, the 

 uses synthetic tubing designed to resist high temperatures and pressure.

However, “low risk” should not be confused with “leak-proof.” Manufacturing defects, physical damage, and material aging can still cause a sealed cooler to fail. There is also no reliable industry-wide leak percentage covering every AIO brand and model, so any universal failure-rate claim should be treated carefully.

What Causes an AIO Liquid Cooler to Leak?

A leak can begin with a manufacturing defect, but external damage and incorrect handling are also possible causes. A severe impact during shipping, a cracked fitting, or excessive force applied to the tubing may compromise the sealed loop.

There is no universal age at which every liquid cooler becomes unsafe. Cooler lifespan varies with product quality, operating temperature, usage, storage conditions, and pump wear. Instead of replacing an AIO after an arbitrary number of years, monitor its temperatures, pump speed, noise, tubing condition, and warranty coverage.

Inspect the cooler before installation. Look for moisture, oily residue, damaged fittings, crushed radiator fins, or visible cracks around the pump housing. If anything appears suspicious, do not install or power the cooler.

During installation, avoid forcing the tubes into an unnatural angle. The tubing should form a smooth curve without pressing against a sharp case edge. Secure the radiator and pump block properly so their weight does not place additional stress on the fittings.

The radiator should also be positioned according to the manufacturer’s instructions. In most systems, the pump should not be the highest point in the loop because trapped air can enter the pump and cause noise or reduced cooling performance. Bubbling does not automatically mean the cooler is leaking, but persistent pump noise or rapidly increasing CPU temperatures should be investigated.

What Should You Do If an AIO Starts Leaking?

If you see liquid or unexplained residue around the pump, tubes, or radiator fittings, shut the computer down immediately. Switch off the power supply and disconnect the system from the wall before touching the affected area.

Do not restart the PC simply to test whether it still works. Photograph the leak, check which components were exposed, and contact the cooler manufacturer or retailer for warranty assistance. The affected hardware should be completely dry and professionally inspected before power is restored.

Do not attempt to repair a sealed AIO by opening the pump, adding coolant, or applying household sealant. These actions can introduce contamination, damage the pump, and invalidate the warranty.

Final Thoughts: Are AIO Liquid Coolers Safe?

For most gaming PCs and creator workstations, a modern AIO liquid cooler is safe when it comes from a reputable manufacturer and is installed correctly. Its factory-sealed design requires less maintenance and has fewer user-assembled connections than a custom liquid-cooling loop.

When choosing a cooler, compare more than radiator size and RGB lighting. Check the tubing construction, socket compatibility, case clearance, warranty terms, and installation instructions. The global 

 includes multiple radiator sizes and designs for different processors, cases, and performance requirements.

A leak can never be ruled out completely, but careful installation, regular visual checks, and proper handling can keep the risk low. For most users, cooling performance, pump longevity, installation clearance, and warranty support are more practical considerations than fear of an unexpected leak.





Do modern AIO liquid coolers still leak? Yes, leaks remain possible, but they are uncommon in properly manufactured, installed, and handled coolers.

Unlike custom liquid-cooling loops, an All-in-One liquid cooler arrives as a factory-sealed system with the pump, radiator, tubing, and fittings already assembled. Users do not normally need to add coolant, tighten fittings, or perform regular fluid maintenance. This greatly reduces the number of potential failure points, although no liquid-cooling product can promise absolutely zero risk.



Why Modern AIO Liquid Coolers Are Less Likely to Leak

Modern AIO liquid coolers use sealed fittings, reinforced tubing, and integrated pump-and-radiator designs that require very little user maintenance. Because the loop is assembled at the factory, there are also fewer user-installed connections than in a custom cooling loop.

Manufacturers have continued improving tube materials, seals, and connection points to withstand heat, pressure changes, and repeated thermal cycles. For example, the darkFlash UV360 uses synthetic tubing designed to resist high temperatures and pressure.

However, “low risk” should not be confused with “leak-proof.” Manufacturing defects, physical damage, and material aging can still cause a sealed cooler to fail. There is also no reliable industry-wide leak percentage covering every AIO brand and model, so any universal failure-rate claim should be treated carefully.





(darkFlash UV360 Liquid CPU Cooler)



What Causes an AIO Liquid Cooler to Leak?

A leak can begin with a manufacturing defect, but external damage and incorrect handling are also possible causes. A severe impact during shipping, a cracked fitting, or excessive force applied to the tubing may compromise the sealed loop.

Common risk factors include:





Shipping damage to the radiator, fittings, or pump housing



Sharp bends or kinks in the coolant tubes



Pulling or twisting the tubes during installation



Loose mounting that allows the radiator or pump block to move



Long-term degradation of seals and tubing



Opening, modifying, or attempting to refill a sealed AIO

There is no universal age at which every liquid cooler becomes unsafe. Cooler lifespan varies with product quality, operating temperature, usage, storage conditions, and pump wear. Instead of replacing an AIO after an arbitrary number of years, monitor its temperatures, pump speed, noise, tubing condition, and warranty coverage.







How to Prevent an AIO Liquid Cooler Leak

Inspect the cooler before installation. Look for moisture, oily residue, damaged fittings, crushed radiator fins, or visible cracks around the pump housing. If anything appears suspicious, do not install or power the cooler.

During installation, avoid forcing the tubes into an unnatural angle. The tubing should form a smooth curve without pressing against a sharp case edge. Secure the radiator and pump block properly so their weight does not place additional stress on the fittings.

The radiator should also be positioned according to the manufacturer’s instructions. In most systems, the pump should not be the highest point in the loop because trapped air can enter the pump and cause noise or reduced cooling performance. Bubbling does not automatically mean the cooler is leaking, but persistent pump noise or rapidly increasing CPU temperatures should be investigated.





(darkFlash CB360 Liquid CPU Cooler)



What Should You Do If an AIO Starts Leaking?

If you see liquid or unexplained residue around the pump, tubes, or radiator fittings, shut the computer down immediately. Switch off the power supply and disconnect the system from the wall before touching the affected area.

Do not restart the PC simply to test whether it still works. Photograph the leak, check which components were exposed, and contact the cooler manufacturer or retailer for warranty assistance. The affected hardware should be completely dry and professionally inspected before power is restored.

Do not attempt to repair a sealed AIO by opening the pump, adding coolant, or applying household sealant. These actions can introduce contamination, damage the pump, and invalidate the warranty.



Final Thoughts: Are AIO Liquid Coolers Safe?

For most gaming PCs and creator workstations, a modern AIO liquid cooler is safe when it comes from a reputable manufacturer and is installed correctly. Its factory-sealed design requires less maintenance and has fewer user-assembled connections than a custom liquid-cooling loop.

When choosing a cooler, compare more than radiator size and RGB lighting. Check the tubing construction, socket compatibility, case clearance, warranty terms, and installation instructions. The global darkFlash liquid-cooler lineup includes multiple radiator sizes and designs for different processors, cases, and performance requirements.

A leak can never be ruled out completely, but careful installation, regular visual checks, and proper handling can keep the risk low. For most users, cooling performance, pump longevity, installation clearance, and warranty support are more practical considerations than fear of an unexpected leak.

Do modern AIO liquid coolers still leak? Learn what causes AIO leaks, how to reduce the risk, and what to do if you find coolant inside your PC.

Do Liquid Coolers Still Leak? AIO Risks and Prevention Explained

 should beginners use? PLA is usually the easiest material to start with, while PETG, ABS, and TPU are better suited to projects that require greater durability, heat resistance, or flexibility.

Choosing filament is not simply about finding the cheapest spool or the best-looking color. Every material behaves differently when heated and offers a different balance of strength, flexibility, surface quality, temperature resistance, and printing difficulty.

This beginner-friendly guide explains the differences between the most common 3D printing materials and helps you choose the right filament for your first project.

Filament is the material used by FFF or FDM 3D printers. The printer feeds a thin strand of thermoplastic into a heated nozzle, melts it, and deposits it layer by layer until the model is complete.

, with 1.75 mm being more common among modern desktop printers. The correct diameter depends entirely on the printer, so beginners should always check compatibility before purchasing a spool. 

 also notes that printing results depend on the material, nozzle, enclosure, build plate, model geometry, and print settings.

Filament should not be confused with liquid resin. Resin printers use UV light to cure liquid material and require different handling, washing, protective equipment, and ventilation. For beginners interested in practical household or PC-related projects, filament printing is generally the more straightforward starting point.

PLA vs. PETG vs. ABS vs. TPU: Material Differences and Properties

The easiest way to select a filament is to understand what each material does well.

 is the most practical first spool for beginners. It prints reliably, produces detailed surfaces, and is less prone to warping. It works well for display models, desk organizers, cable guides, case decorations, and early prototypes. Its biggest weakness is relatively low heat resistance, so it should not be used close to hot PC components or in other high-temperature environments.

Polyethylene Terephthalate modified by Glycol

 is a useful next step when PLA is not durable enough. It offers good layer adhesion, toughness, water resistance, and better temperature resistance. PETG is suitable for functional brackets, stronger cable clips, tool holders, and parts that may experience light impacts. However, it can be more prone to thin strings between printed areas and may require additional tuning.

 offers greater heat resistance and durability, making it useful for more demanding functional parts. The trade-off is a more difficult printing process: ABS can warp as it cools and generally prints better inside an enclosed machine. It also requires appropriate ventilation.

 is a flexible, rubber-like filament commonly used for protective covers, anti-slip feet, vibration-damping parts, cable grommets, and soft grips. According to 

, flexible materials generally benefit from slower printing and a direct-drive extruder. TPU is useful, but it is not usually the best material for someone’s first test print.

How to Choose the Right Filament for Your Project

Instead of asking which filament is universally best, ask what the finished part needs to do.

For PC and desk setups, common projects can include:

Printed parts should not automatically be treated as replacements for certified PC components. Avoid using ordinary hobby filament for power connectors, electrical insulation, fire barriers, heavy load-bearing hardware, or parts placed directly beside high-temperature components. Material selection is important, but model design, wall thickness, infill, layer direction, and print quality also affect the strength of the finished part.

Key Factors to Check Before Buying Filament: Printer Requirements and Specs

Start by confirming the required filament diameter. A 1.75 mm printer cannot use 2.85 mm filament without major hardware changes, even if the material itself is compatible.

Next, check the filament manufacturer’s recommended nozzle and build-plate temperatures. These settings vary between material formulations, so generic temperature charts should only be treated as starting points. Using a built-in printer or slicer profile is usually easier for a first print.

The printer hardware matters as well. ABS generally benefits from an enclosure, while abrasive carbon-fiber, glass-fiber, glow-in-the-dark, or metal-filled filaments may require a hardened nozzle. These specialty materials are better left until the user understands basic printer calibration.

Ventilation should also be considered. Heated thermoplastics can release particles and volatile compounds during printing. The US National Institute for Occupational Safety and Health recommends using appropriate ventilation, lower-emission materials, enclosures, and manufacturer safety instructions to reduce exposure. PLA often produces fewer emissions than ABS, but no desktop printer should be operated continuously in a poorly ventilated sleeping or living area. 

NIOSH provides additional safety guidance here

Finally, store unused filament in a sealed bag or dry box with desiccant. Moisture can cause stringing, bubbling, poor surfaces, and weak layer adhesion. TPU and nylon are particularly sensitive, although PLA and PETG can also develop printing problems after absorbing moisture. 

Prusa recommends sealed storage and material-appropriate drying

Final Thoughts: Which 3D Printing Filament Should Beginners Start With?

 because it is affordable, widely compatible, and forgiving during printer setup. Once the basic printing process is familiar, PETG is a logical second material for tougher and more functional parts.

ABS makes sense when heat resistance is genuinely necessary and the printer has an enclosure and suitable ventilation. TPU should be selected when flexibility is part of the design rather than simply because it looks interesting.

For PC builders, 3D printing creates plenty of room for customization, from cable-management accessories and desk organizers to prototypes and visual case modifications. The safest approach is to begin with simple PLA projects, understand the printer’s limitations, and move to more specialized materials only when the project actually requires them.





Which 3D printing filament should beginners use? PLA is usually the easiest material to start with, while PETG, ABS, and TPU are better suited to projects that require greater durability, heat resistance, or flexibility.

Choosing filament is not simply about finding the cheapest spool or the best-looking color. Every material behaves differently when heated and offers a different balance of strength, flexibility, surface quality, temperature resistance, and printing difficulty.

This beginner-friendly guide explains the differences between the most common 3D printing materials and helps you choose the right filament for your first project.



What Is 3D Printing Filament?

Filament is the material used by FFF or FDM 3D printers. The printer feeds a thin strand of thermoplastic into a heated nozzle, melts it, and deposits it layer by layer until the model is complete.

Most consumer filament comes in either 1.75 mm or 2.85 mm diameter, with 1.75 mm being more common among modern desktop printers. The correct diameter depends entirely on the printer, so beginners should always check compatibility before purchasing a spool. UltiMaker’s material guide also notes that printing results depend on the material, nozzle, enclosure, build plate, model geometry, and print settings.

Filament should not be confused with liquid resin. Resin printers use UV light to cure liquid material and require different handling, washing, protective equipment, and ventilation. For beginners interested in practical household or PC-related projects, filament printing is generally the more straightforward starting point.







PLA vs. PETG vs. ABS vs. TPU: Material Differences and Properties

The easiest way to select a filament is to understand what each material does well.







PLA (Polylactic Acid)

PLA is the most practical first spool for beginners. It prints reliably, produces detailed surfaces, and is less prone to warping. It works well for display models, desk organizers, cable guides, case decorations, and early prototypes. Its biggest weakness is relatively low heat resistance, so it should not be used close to hot PC components or in other high-temperature environments.



PETG (Polyethylene Terephthalate modified by Glycol)

PETG is a useful next step when PLA is not durable enough. It offers good layer adhesion, toughness, water resistance, and better temperature resistance. PETG is suitable for functional brackets, stronger cable clips, tool holders, and parts that may experience light impacts. However, it can be more prone to thin strings between printed areas and may require additional tuning.



ABS (Acrylonitrile Butadiene Styrene)

ABS offers greater heat resistance and durability, making it useful for more demanding functional parts. The trade-off is a more difficult printing process: ABS can warp as it cools and generally prints better inside an enclosed machine. It also requires appropriate ventilation.



TPU (Thermoplastic Polyurethane)

TPU is a flexible, rubber-like filament commonly used for protective covers, anti-slip feet, vibration-damping parts, cable grommets, and soft grips. According to UltiMaker, flexible materials generally benefit from slower printing and a direct-drive extruder. TPU is useful, but it is not usually the best material for someone’s first test print.







How to Choose the Right Filament for Your Project

Instead of asking which filament is universally best, ask what the finished part needs to do.





Choose PLA 
when appearance, dimensional accuracy, low cost, and ease of printing matter most. It is the sensible default for learning how to level the bed, adjust temperatures, slice models, and identify printing problems.



Choose PETG 
when the part needs more toughness or may encounter moderate heat and moisture. It is often the most practical all-purpose material after beginners become comfortable with PLA.



Choose ABS 
when temperature resistance and functional durability are important and the printer has an enclosure with appropriate ventilation. Beginners should confirm that their printer can reach the required nozzle and bed temperatures before buying it.



Choose TPU 
when the part needs to bend, compress, absorb vibration, or provide grip. Check that the printer’s filament path and extruder are suitable for flexible materials.







For PC and desk setups, common projects can include:





Cable combs and cable-management clips



Headphone and controller stands



Keyboard accessories and switch organizers



Decorative case badges and display models



Anti-slip feet and soft protective corners



Prototype fan ducts or equipment brackets

Printed parts should not automatically be treated as replacements for certified PC components. Avoid using ordinary hobby filament for power connectors, electrical insulation, fire barriers, heavy load-bearing hardware, or parts placed directly beside high-temperature components. Material selection is important, but model design, wall thickness, infill, layer direction, and print quality also affect the strength of the finished part.



Key Factors to Check Before Buying Filament: Printer Requirements and Specs

Start by confirming the required filament diameter. A 1.75 mm printer cannot use 2.85 mm filament without major hardware changes, even if the material itself is compatible.

Next, check the filament manufacturer’s recommended nozzle and build-plate temperatures. These settings vary between material formulations, so generic temperature charts should only be treated as starting points. Using a built-in printer or slicer profile is usually easier for a first print.

The printer hardware matters as well. ABS generally benefits from an enclosure, while abrasive carbon-fiber, glass-fiber, glow-in-the-dark, or metal-filled filaments may require a hardened nozzle. These specialty materials are better left until the user understands basic printer calibration.







Ventilation should also be considered. Heated thermoplastics can release particles and volatile compounds during printing. The US National Institute for Occupational Safety and Health recommends using appropriate ventilation, lower-emission materials, enclosures, and manufacturer safety instructions to reduce exposure. PLA often produces fewer emissions than ABS, but no desktop printer should be operated continuously in a poorly ventilated sleeping or living area. NIOSH provides additional safety guidance here.

Finally, store unused filament in a sealed bag or dry box with desiccant. Moisture can cause stringing, bubbling, poor surfaces, and weak layer adhesion. TPU and nylon are particularly sensitive, although PLA and PETG can also develop printing problems after absorbing moisture. Prusa recommends sealed storage and material-appropriate drying when necessary.



Final Thoughts: Which 3D Printing Filament Should Beginners Start With?

For most beginners, PLA is the best first filament because it is affordable, widely compatible, and forgiving during printer setup. Once the basic printing process is familiar, PETG is a logical second material for tougher and more functional parts.

ABS makes sense when heat resistance is genuinely necessary and the printer has an enclosure and suitable ventilation. TPU should be selected when flexibility is part of the design rather than simply because it looks interesting.

For PC builders, 3D printing creates plenty of room for customization, from cable-management accessories and desk organizers to prototypes and visual case modifications. The safest approach is to begin with simple PLA projects, understand the printer’s limitations, and move to more specialized materials only when the project actually requires them.

Choosing your first 3D printing filament does not need to be complicated. This guide compares PLA, PETG, ABS, and TPU to help beginners match the right material to each project.

3D Printing Filament Guide for Beginners: PLA vs PETG vs ABS vs TPU

Should you turn off memory integrity for gaming? For most gamers, the answer is no: leave Memory Integrity on. It usually costs only a few percent in frame rate, and it blocks a serious class of driver-based attacks. 

The exceptions are competitive players who are CPU-bound, owners of older processors, and anyone using undervolting tools or hardware with incompatible drivers. If you fall into one of those groups, test your own games before deciding.

, that Windows quality updates will begin turning Memory Integrity on for eligible Windows 11 devices starting in October. The first update with the change is expected on Patch Tuesday, October 13, and the rollout will be gradual, so not every PC will get it at the same time.

Memory Integrity, also called Hypervisor-protected Code Integrity (HVCI) and found under Core Isolation, uses virtualization to build an isolated space where Windows checks kernel code. It makes sure only verified kernel-mode code loads, which blocks unsigned rootkits and raises the barrier to driver-based kernel attacks.

The feature is not new. It already runs by default on clean Windows 11 installations and on Secured-core PCs. The October change targets the many PCs where it never got switched on, such as machines upgraded from Windows 10. If Virtualization-based Security (VBS) isn't already running, the same updates will enable that too.

Windows checks whether a PC is ready before it changes anything. 

 lists the requirements as an 8th-generation Intel Core or newer CPU or AMD Zen 2 or newer, at least 8GB of RAM, a 64GB SSD, virtualization enabled in firmware, and drivers confirmed compatible with Memory Integrity. One caveat is that 11th-generation Core desktop processors are not part of Microsoft's current default-enablement logic, although Microsoft still recommends the feature on that platform.

If you have already turned it off, Microsoft says it will respect that. Settings made through the registry, Group Policy, or Intune stay in place. Coverage varies on exactly how Windows recognizes a manual opt-out, so check your status after the update instead of assuming.

It depends on your CPU, your game, and whether the game is limited by CPU or GPU. The available tests, most of them older, point to a small average loss with larger drops in the worst frames.

The "up to 15%" headline traces back to the worst case. A 2021 ten-game test on a Core i7-12700KF found a 7% average deficit and a 15% deficit in 1% lows with VBS on, and it cautioned that more GPU-limited conditions could shrink the impact to around 5%. Treat 15% as a ceiling for specific CPU-bound situations, not what a typical gamer will see. 

One more point. Microsoft acknowledged in 2022 that Memory Integrity and Virtual Machine Platform could affect gaming performance on some Windows 11 configurations, and it advised performance-focused gamers they could temporarily disable them, at the cost of security.

Consider turning it off only if at least one of these applies:

If you mostly play GPU-limited games at 1440p or 4K, you will likely never notice it.

Turning it off removes a kernel-level protection layer. XDA Developers warns against disabling it preemptively just to stop Windows from enabling it, because an attacker could exploit a vulnerable driver to gain kernel-level access to your PC. The risk is modest if you only install trusted software, but it is real, especially on a PC you also use for banking and work.

 on a Secured-core PC takes the device out of a Secured-core state.

Don't turn it off on a hunch. Run the same game, scene, resolution, and graphics preset before and after toggling Memory Integrity, and compare both average frame rate and 1% lows. If the difference is negligible, leave it on.

How to Check or Turn Off Memory Integrity

Open Settings > Privacy & security > Windows Security > Device security, then select Core isolation details under Core isolation. Use the 

, then restart your PC for the change to take effect. 

If the toggle is grayed out or reports a problem, an incompatible driver is the usual cause. Older anti-cheat software, RGB utilities, and hardware drivers are common culprits. Microsoft's guidance is to look for an updated driver from Windows Update or the manufacturer first, and to turn Memory Integrity off only if that doesn't work. Updating the driver is the better fix because it keeps both security and your hardware working.

Will Windows 11 turn on Memory Integrity automatically?

Yes, on eligible PCs. Microsoft is rolling it out gradually through quality updates starting in October 2026, and it respects existing opt-outs.

Sometimes. Typical losses in the tests above range from low single digits up to roughly 6–8% in CPU-limited cases, with worse 1% lows in some games.

It is safe enough for many careful users, but it removes a kernel-level protection that helps block malicious or vulnerable drivers. Weigh a measured FPS gain against that risk.

No. Memory Integrity is a feature that runs on top of VBS. Turning Memory Integrity on also turns VBS on.

Memory Integrity is a good default for most gaming PCs, and the FPS cost is usually small. Measure your own games, update any driver that blocks it, and turn it off only when you see a clear, repeatable loss in a CPU-bound title or when it conflicts with tools you need. This article will be updated after October 13 as real-world reports come in.





Should you turn off memory integrity for gaming? For most gamers, the answer is no: leave Memory Integrity on. It usually costs only a few percent in frame rate, and it blocks a serious class of driver-based attacks. 

The exceptions are competitive players who are CPU-bound, owners of older processors, and anyone using undervolting tools or hardware with incompatible drivers. If you fall into one of those groups, test your own games before deciding.

This matters now because Microsoft announced on September 1, 2026, that Windows quality updates will begin turning Memory Integrity on for eligible Windows 11 devices starting in October. The first update with the change is expected on Patch Tuesday, October 13, and the rollout will be gradual, so not every PC will get it at the same time.



What Memory Integrity Actually Does

Memory Integrity, also called Hypervisor-protected Code Integrity (HVCI) and found under Core Isolation, uses virtualization to build an isolated space where Windows checks kernel code. It makes sure only verified kernel-mode code loads, which blocks unsigned rootkits and raises the barrier to driver-based kernel attacks.

The feature is not new. It already runs by default on clean Windows 11 installations and on Secured-core PCs. The October change targets the many PCs where it never got switched on, such as machines upgraded from Windows 10. If Virtualization-based Security (VBS) isn't already running, the same updates will enable that too.





(Image: betanews)



Will Your PC Get It Automatically?

Windows checks whether a PC is ready before it changes anything. PCWorld lists the requirements as an 8th-generation Intel Core or newer CPU or AMD Zen 2 or newer, at least 8GB of RAM, a 64GB SSD, virtualization enabled in firmware, and drivers confirmed compatible with Memory Integrity. One caveat is that 11th-generation Core desktop processors are not part of Microsoft's current default-enablement logic, although Microsoft still recommends the feature on that platform.

If you have already turned it off, Microsoft says it will respect that. Settings made through the registry, Group Policy, or Intune stay in place. Coverage varies on exactly how Windows recognizes a manual opt-out, so check your status after the update instead of assuming.







How Much FPS Does Memory Integrity Cost?

It depends on your CPU, your game, and whether the game is limited by CPU or GPU. The available tests, most of them older, point to a small average loss with larger drops in the worst frames.





Four-CPU test with an RTX 3090 at 1080p: One summary of Tom's Hardware testing puts the HVCI average loss between 3.3% and 5.7%, depending on the processor.



Why newer CPUs fare better: Tom's Hardware found that Mode Based Execution Control (MBEC) reduces HVCI's impact to nearly the level of VBS alone.



High-end GPU test: Tom's Hardware found that disabling VBS improved performance by around 10% in its RTX 4090 testing, with 1% lows rising by as much as 15%. The same piece put the average loss at about 5% and said many people with less extreme hardware will likely see low single-digit losses.



CPU-limited test: XDA Developers cited a Ryzen 7 5800X and Radeon RX 7900 XTX test at 1280×720 where HVCI reportedly cut average frame rate by 6% and worsened frame times by 8%.

The "up to 15%" headline traces back to the worst case. A 2021 ten-game test on a Core i7-12700KF found a 7% average deficit and a 15% deficit in 1% lows with VBS on, and it cautioned that more GPU-limited conditions could shrink the impact to around 5%. Treat 15% as a ceiling for specific CPU-bound situations, not what a typical gamer will see. 

One more point. Microsoft acknowledged in 2022 that Memory Integrity and Virtual Machine Platform could affect gaming performance on some Windows 11 configurations, and it advised performance-focused gamers they could temporarily disable them, at the cost of security.







Who Should Consider Turning It Off?

Consider turning it off only if at least one of these applies:





You play CPU-bound competitive games at very high frame rates. The overhead lands on the CPU, so esports titles on mid-range processors are where the loss shows up most.



You use an older CPU. The older the processor, the more likely it lacks the hardware features that reduce the penalty.



You rely on undervolting tools. Reports say Memory Integrity can interfere with undervolting tools such as ThrottleStop and Intel XTU.



An incompatible driver breaks a device you need. Windows will tell you which driver is the problem, and that is covered below.

If you mostly play GPU-limited games at 1440p or 4K, you will likely never notice it.



The Security Trade-Off

Turning it off removes a kernel-level protection layer. XDA Developers warns against disabling it preemptively just to stop Windows from enabling it, because an attacker could exploit a vulnerable driver to gain kernel-level access to your PC. The risk is modest if you only install trusted software, but it is real, especially on a PC you also use for banking and work.

Also note that turning Memory Integrity off on a Secured-core PC takes the device out of a Secured-core state.



How to Test It Before You Decide

Don't turn it off on a hunch. Run the same game, scene, resolution, and graphics preset before and after toggling Memory Integrity, and compare both average frame rate and 1% lows. If the difference is negligible, leave it on.

A practical method:





Pick a repeatable scene or the game's built-in benchmark.



Record three runs with a tool such as CapFrameX or PresentMon, and average them.



Turn Memory Integrity off, restart, and repeat.



Compare average FPS and 1% lows. A gain of under about 3–5% is usually not worth the lost protection.





(RiotGames)



How to Check or Turn Off Memory Integrity

Open Settings > Privacy & security > Windows Security > Device security, then select Core isolation details under Core isolation. Use the toggle, then restart your PC for the change to take effect. 

If the toggle is grayed out or reports a problem, an incompatible driver is the usual cause. Older anti-cheat software, RGB utilities, and hardware drivers are common culprits. Microsoft's guidance is to look for an updated driver from Windows Update or the manufacturer first, and to turn Memory Integrity off only if that doesn't work. Updating the driver is the better fix because it keeps both security and your hardware working.



FAQ

Will Windows 11 turn on Memory Integrity automatically?

Yes, on eligible PCs. Microsoft is rolling it out gradually through quality updates starting in October 2026, and it respects existing opt-outs.

Does Memory Integrity lower FPS?

Sometimes. Typical losses in the tests above range from low single digits up to roughly 6–8% in CPU-limited cases, with worse 1% lows in some games.

Is it safe to turn off Memory Integrity?

It is safe enough for many careful users, but it removes a kernel-level protection that helps block malicious or vulnerable drivers. Weigh a measured FPS gain against that risk.

Is Memory Integrity the same as VBS?

No. Memory Integrity is a feature that runs on top of VBS. Turning Memory Integrity on also turns VBS on.







Conclusion

Memory Integrity is a good default for most gaming PCs, and the FPS cost is usually small. Measure your own games, update any driver that blocks it, and turn it off only when you see a clear, repeatable loss in a CPU-bound title or when it conflicts with tools you need. This article will be updated after October 13 as real-world reports come in.

Windows 11 is turning on Memory Integrity for more PCs in October. See the FPS cost, who should turn it off for gaming, and how to test it safely.

Should You Turn Off Memory Integrity for Gaming? What Windows 11's October Update Changes

 important? Yes, because they monitor unsafe electrical, thermal, and load conditions and can shut down the power supply before a fault causes more serious damage.

These abbreviations often appear together on a power supply specification sheet, but each protection responds to a different problem. Understanding them makes it easier to compare PSUs beyond wattage and efficiency ratings.

Power supply protections use monitoring circuits and temperature sensors to watch voltage, current, total output, short circuits, internal heat, and unusual load conditions. When a measured value crosses the manufacturer’s safety threshold, the PSU can limit its output or shut down.

These protections should be checked separately from an efficiency badge. 

80 PLUS is an energy-efficiency certification program

, while the protection list describes how a PSU responds to abnormal operating conditions.

OVP vs UVP: Power Supply Voltage Protection Explained

, or Over-Voltage Protection, activates when a PSU’s DC output voltage rises above a defined safety threshold. Excessive voltage on the 12V, 5V, or 3.3V rails can place connected components under electrical stress, so the PSU shuts down when the protection circuit detects an unsafe level.

, or Under-Voltage Protection, responds when an output voltage falls below its permitted range. Components supplied with insufficient voltage may become unstable, restart, freeze, or stop operating correctly.

OVP monitors the PSU’s output voltage. It does not replace an external surge protector or UPS designed to handle problems coming from the wall outlet. 

OCP vs OPP: Current and Total Power Protection

, or Over-Current Protection, monitors how much electrical current passes through an output rail or circuit. It activates when current exceeds the protection threshold, helping reduce the risk of overloaded cables, connectors, and internal components.

, or Over-Power Protection, monitors the PSU’s total output. It can shut the unit down when the complete system attempts to draw more power than the PSU can safely provide.

The distinction is simple: OCP responds to excessive current in a monitored output, while OPP responds to excessive total power draw. Their exact trigger points vary between PSU designs and are usually set above normal operating levels so brief, expected GPU power changes do not cause unnecessary shutdowns.

If a PC repeatedly turns off during gaming or rendering, OPP or OCP may be reacting to excessive load, incorrect cabling, a hardware fault, or an unsuitable PSU. Repeated protection trips should be investigated instead of treated as normal operation.

SCP and OTP: Short-Circuit and Overheating Protection

, or Short-Circuit Protection, reacts when electricity finds an unintended low-resistance path. This can result from a damaged cable, faulty connector, loose conductive object, or failed component. The PSU cuts its output to prevent the fault from continuing through the system.

, or Over-Temperature Protection, shuts down the PSU when its internal temperature reaches a preset limit. Possible causes include sustained overload, blocked ventilation, heavy dust buildup, excessive ambient temperature, or a failed cooling fan.

Intel’s power-supply design guidance defines both short-circuit shutdown and temperature-triggered shutdown as important protective behavior. After either protection activates, turn the computer off and inspect its external cables, ventilation, filters, and system load. Never open the PSU enclosure, because hazardous voltage can remain inside.

What Is NLP? No-Load Protection Explained

, commonly called No-Load Protection and listed by darkFlash as 

, covers situations where the power supply has little or no load connected to its DC outputs. Under this unusual condition, the PSU must remain electrically stable and avoid damage or hazardous behavior.

Intel’s power-supply design guidance states that a PSU should not become damaged or create a hazard when all DC output connectors are disconnected. Depending on the design, the power supply may continue operating safely or enter a shutdown state.

NLP should not be confused with zero RPM mode. NLP concerns electrical operation when there is no meaningful output load, while zero RPM mode simply stops the cooling fan when temperature and power demand are low.

 specifically lists Zero Load Protection alongside OVP, UVP, OCP, OPP, SCP, and OTP.

Final Thoughts: How to Choose a PSU With Proper Protections

A good PSU specification should clearly list OVP, UVP, OCP, OPP, SCP, OTP, and, where supported, NLP. These protections work together because no single circuit can cover every electrical or thermal fault. Correct wattage, stable voltage regulation, appropriate cables, component quality, warranty coverage, and independent testing also remain important.

 includes several product tiers with comprehensive protection features. The darkFlash PMT Series combines all seven protections with an ATX 3.1 design, full modular cabling, DC-to-DC conversion, and 80 PLUS Gold certification. 

Protection features are designed for abnormal conditions, so they should remain a final safety layer rather than a feature the system regularly triggers. Choose enough capacity for the hardware, use only compatible power cables, and investigate repeated shutdowns promptly.





Are PSU protections such as OVP, UVP, OCP, OPP, SCP, OTP, and NLP important? Yes, because they monitor unsafe electrical, thermal, and load conditions and can shut down the power supply before a fault causes more serious damage.

These abbreviations often appear together on a power supply specification sheet, but each protection responds to a different problem. Understanding them makes it easier to compare PSUs beyond wattage and efficiency ratings.



What Do PSU Protection Acronyms Mean?

Power supply protections use monitoring circuits and temperature sensors to watch voltage, current, total output, short circuits, internal heat, and unusual load conditions. When a measured value crosses the manufacturer’s safety threshold, the PSU can limit its output or shut down.







These protections should be checked separately from an efficiency badge. 80 PLUS is an energy-efficiency certification program, while the protection list describes how a PSU responds to abnormal operating conditions.







OVP vs UVP: Power Supply Voltage Protection Explained

OVP

OVP, or Over-Voltage Protection, activates when a PSU’s DC output voltage rises above a defined safety threshold. Excessive voltage on the 12V, 5V, or 3.3V rails can place connected components under electrical stress, so the PSU shuts down when the protection circuit detects an unsafe level.



UVP

UVP, or Under-Voltage Protection, responds when an output voltage falls below its permitted range. Components supplied with insufficient voltage may become unstable, restart, freeze, or stop operating correctly.

OVP monitors the PSU’s output voltage. It does not replace an external surge protector or UPS designed to handle problems coming from the wall outlet. 



OCP vs OPP: Current and Total Power Protection

OCP

OCP, or Over-Current Protection, monitors how much electrical current passes through an output rail or circuit. It activates when current exceeds the protection threshold, helping reduce the risk of overloaded cables, connectors, and internal components.



OPP

OPP, or Over-Power Protection, monitors the PSU’s total output. It can shut the unit down when the complete system attempts to draw more power than the PSU can safely provide.

The distinction is simple: OCP responds to excessive current in a monitored output, while OPP responds to excessive total power draw. Their exact trigger points vary between PSU designs and are usually set above normal operating levels so brief, expected GPU power changes do not cause unnecessary shutdowns.

If a PC repeatedly turns off during gaming or rendering, OPP or OCP may be reacting to excessive load, incorrect cabling, a hardware fault, or an unsuitable PSU. Repeated protection trips should be investigated instead of treated as normal operation.



SCP and OTP: Short-Circuit and Overheating Protection

SCP

SCP, or Short-Circuit Protection, reacts when electricity finds an unintended low-resistance path. This can result from a damaged cable, faulty connector, loose conductive object, or failed component. The PSU cuts its output to prevent the fault from continuing through the system.



OTP

OTP, or Over-Temperature Protection, shuts down the PSU when its internal temperature reaches a preset limit. Possible causes include sustained overload, blocked ventilation, heavy dust buildup, excessive ambient temperature, or a failed cooling fan.

Intel’s power-supply design guidance defines both short-circuit shutdown and temperature-triggered shutdown as important protective behavior. After either protection activates, turn the computer off and inspect its external cables, ventilation, filters, and system load. Never open the PSU enclosure, because hazardous voltage can remain inside.







What Is NLP? No-Load Protection Explained

NLP

NLP, commonly called No-Load Protection and listed by darkFlash as Zero Load (NLP), covers situations where the power supply has little or no load connected to its DC outputs. Under this unusual condition, the PSU must remain electrically stable and avoid damage or hazardous behavior.

Intel’s power-supply design guidance states that a PSU should not become damaged or create a hazard when all DC output connectors are disconnected. Depending on the design, the power supply may continue operating safely or enter a shutdown state.

NLP should not be confused with zero RPM mode. NLP concerns electrical operation when there is no meaningful output load, while zero RPM mode simply stops the cooling fan when temperature and power demand are low.

The darkFlash PMT Series specifically lists Zero Load Protection alongside OVP, UVP, OCP, OPP, SCP, and OTP.







Final Thoughts: How to Choose a PSU With Proper Protections

A good PSU specification should clearly list OVP, UVP, OCP, OPP, SCP, OTP, and, where supported, NLP. These protections work together because no single circuit can cover every electrical or thermal fault. Correct wattage, stable voltage regulation, appropriate cables, component quality, warranty coverage, and independent testing also remain important.

The global darkFlash power supply lineup includes several product tiers with comprehensive protection features. The darkFlash PMT Series combines all seven protections with an ATX 3.1 design, full modular cabling, DC-to-DC conversion, and 80 PLUS Gold certification. 

Protection features are designed for abnormal conditions, so they should remain a final safety layer rather than a feature the system regularly triggers. Choose enough capacity for the hardware, use only compatible power cables, and investigate repeated shutdowns promptly.

What do OVP, UVP, OCP, OPP, SCP, OTP, and NLP mean on a power supply? Learn how each PSU protection works and why it matters.

Power Supply Protections Explained: OVP, UVP, OCP, OPP, SCP, OTP, and NLP

Build Guides                                                    

Are PC cases with built-in screens worth it? Yes, if you want visible system monitoring and a more personalized desktop setup, but the screen should never take priority over airflow, component compatibility, or build quality.

A built-in display can show CPU and GPU temperatures, fan speeds, system usage, animations, or custom artwork without requiring a separate sensor panel. Its practical value depends heavily on where the PC sits and how often you actually look at it.

What Can a PC Case With a Built-In Screen Display?

Most screen-equipped PC cases use dedicated software to display hardware data or custom visual content. Depending on the model, this may include CPU temperature, GPU temperature, fan speed, system load, clocks, images, and videos.

 integrates a 6-inch IPS screen into its front panel. Its control software supports system information and customizable visual themes, while compatible content can include JPG, PNG, and MP4 files.

The screen does not increase gaming performance or improve cooling by itself. Its purpose is to make system information easier to see and give the PC a stronger visual identity.

What Are the Benefits of a Built-In PC Case Screen?

The biggest advantage is integration. A screen designed as part of the case usually looks cleaner than a separate display attached with brackets, adhesive, or exposed external cables.

Real-time monitoring can also be useful during gaming, rendering, or stress testing. A quick glance may reveal an unexpected temperature increase or a fan that is behaving differently. Custom animations and artwork add another layer of personalization, especially in panoramic cases where the entire build is meant to remain visible.

This feature makes the most sense when the PC sits on the desk with its screen facing the user. If the case is under the desk or turned away, much of its practical and visual value disappears.

What Are the Drawbacks of PC Cases With Screens?

A built-in display adds another device, cable, and software layer to the system. Some screens require an internal USB connection, so builders should check how many USB 2.0 headers their motherboard provides. 

This becomes relevant when an AIO cooler, RGB controller, fan hub, or other accessory also needs the same type of header. An internal USB hub may be required if the motherboard does not have enough connections.

Software support matters as well. Monitoring features and custom media may depend on the manufacturer’s application running correctly. Buyers should check operating-system support and driver availability before purchasing.

How to Choose a PC Case With a Built-In Screen

Start with the same requirements used for any gaming case: motherboard support, GPU clearance, CPU cooler height, radiator compatibility, airflow, dust filtration, front I/O, and cable-management space. Treat the display as an additional feature after those essentials are confirmed.

The DS950V, for example, supports ATX, Micro-ATX, and Mini-ITX motherboards, graphics cards up to 400mm, air coolers up to 180mm, and top-mounted radiators up to 360mm. It also combines its screen with a pillarless 270-degree panoramic design and front USB Type-C connectivity.

Before buying any screen-equipped case, confirm that the display faces your normal seating position, the required software supports your system, and the motherboard has the necessary internal connections.

PC cases with built-in screens are worth considering for users who keep their PC on the desk, monitor temperatures regularly, or enjoy customizing the visual style of their build. The feature offers less value when the computer is hidden under a desk or when the screen consumes budget needed for better cooling or core components.

A model such as the darkFlash DS950V combines its 6-inch IPS display with practical hardware compatibility and panoramic presentation. As long as the case meets the system’s cooling and space requirements first, the screen can be a useful and enjoyable addition rather than a purely decorative extra.





Are PC cases with built-in screens worth it? Yes, if you want visible system monitoring and a more personalized desktop setup, but the screen should never take priority over airflow, component compatibility, or build quality.

A built-in display can show CPU and GPU temperatures, fan speeds, system usage, animations, or custom artwork without requiring a separate sensor panel. Its practical value depends heavily on where the PC sits and how often you actually look at it.



What Can a PC Case With a Built-In Screen Display?

Most screen-equipped PC cases use dedicated software to display hardware data or custom visual content. Depending on the model, this may include CPU temperature, GPU temperature, fan speed, system load, clocks, images, and videos.

For example, the darkFlash DS950V integrates a 6-inch IPS screen into its front panel. Its control software supports system information and customizable visual themes, while compatible content can include JPG, PNG, and MP4 files.

The screen does not increase gaming performance or improve cooling by itself. Its purpose is to make system information easier to see and give the PC a stronger visual identity.







What Are the Benefits of a Built-In PC Case Screen?

The biggest advantage is integration. A screen designed as part of the case usually looks cleaner than a separate display attached with brackets, adhesive, or exposed external cables.

Real-time monitoring can also be useful during gaming, rendering, or stress testing. A quick glance may reveal an unexpected temperature increase or a fan that is behaving differently. Custom animations and artwork add another layer of personalization, especially in panoramic cases where the entire build is meant to remain visible.

This feature makes the most sense when the PC sits on the desk with its screen facing the user. If the case is under the desk or turned away, much of its practical and visual value disappears.







What Are the Drawbacks of PC Cases With Screens?

A built-in display adds another device, cable, and software layer to the system. Some screens require an internal USB connection, so builders should check how many USB 2.0 headers their motherboard provides. 

This becomes relevant when an AIO cooler, RGB controller, fan hub, or other accessory also needs the same type of header. An internal USB hub may be required if the motherboard does not have enough connections.

Software support matters as well. Monitoring features and custom media may depend on the manufacturer’s application running correctly. Buyers should check operating-system support and driver availability before purchasing.







How to Choose a PC Case With a Built-In Screen

Start with the same requirements used for any gaming case: motherboard support, GPU clearance, CPU cooler height, radiator compatibility, airflow, dust filtration, front I/O, and cable-management space. Treat the display as an additional feature after those essentials are confirmed.

The DS950V, for example, supports ATX, Micro-ATX, and Mini-ITX motherboards, graphics cards up to 400mm, air coolers up to 180mm, and top-mounted radiators up to 360mm. It also combines its screen with a pillarless 270-degree panoramic design and front USB Type-C connectivity.

Before buying any screen-equipped case, confirm that the display faces your normal seating position, the required software supports your system, and the motherboard has the necessary internal connections.



Final Thoughts

PC cases with built-in screens are worth considering for users who keep their PC on the desk, monitor temperatures regularly, or enjoy customizing the visual style of their build. The feature offers less value when the computer is hidden under a desk or when the screen consumes budget needed for better cooling or core components.

A model such as the darkFlash DS950V combines its 6-inch IPS display with practical hardware compatibility and panoramic presentation. As long as the case meets the system’s cooling and space requirements first, the screen can be a useful and enjoyable addition rather than a purely decorative extra.

Are PC cases with built-in screens worth buying? Learn what they display, their practical benefits, connection requirements, and what to check before choosing one.

Are PC Cases With Built-In Screens Worth It? Features, Drawbacks, and Buying Advice

Is your PSU fan not spinning while your PC is on? It may be working exactly as designed:

 many power supplies use a zero RPM mode that keeps the fan off at low loads and starts it when cooling is needed. The key is to check your PSU’s specifications and look for other signs of trouble before assuming the fan has failed.

Why Is My PSU Fan Not Spinning? Zero RPM Mode Explained

A power supply does not always need active fan cooling. In zero RPM, hybrid, or fan-stop mode, its fan remains still while the unit is operating within the manufacturer’s temperature and load limits. It starts automatically when those limits are reached. The exact behavior varies by model, so there is no universal wattage or temperature at which every PSU fan should turn on. 

Not necessarily. A game may increase power consumption without pushing a particular PSU past its fan-start threshold, especially if the unit has plenty of capacity for the system. Some fans also spin briefly at startup and then stop. Fan behavior depends on the 

, so use the product manual as your reference rather than expecting the fan to run whenever a game launches.

How Can You Check a PSU Fan That Is Not Spinning?

First, identify the exact PSU model and check whether it supports zero RPM or has a fan-stop switch. Then observe it during ordinary use: does the PC remain stable, and does the fan start when the PSU needs cooling? Power off and unplug the PC before checking whether a dust filter or nearby surface blocks the PSU’s external air intake.

Never open the power supply or insert anything through its fan grille.

 Internal components can carry dangerous voltage, and a stationary fan alone is not a reason to attempt a repair.

When Is a Stopped PSU Fan a Warning Sign?

 a documented fan-stop mode never spins, or if the PC begins shutting down unexpectedly, producing a burning smell, or making new mechanical noises. Turn the system off and contact the manufacturer or retailer for diagnosis. Even with a zero RPM model, a fan that never starts alongside these symptoms deserves professional attention. Do not use a demanding game as a stress test when you already suspect a fault.

A still PSU fan is often a feature, not a failure. For example, the Taiwan listings for the 

. Check your own model’s specifications first; if the fan behavior comes with instability or other warning signs, stop using the PC and seek support.





Is your PSU fan not spinning while your PC is on? It may be working exactly as designed: many power supplies use a zero RPM mode that keeps the fan off at low loads and starts it when cooling is needed. The key is to check your PSU’s specifications and look for other signs of trouble before assuming the fan has failed.



Why Is My PSU Fan Not Spinning? Zero RPM Mode Explained

A power supply does not always need active fan cooling. In zero RPM, hybrid, or fan-stop mode, its fan remains still while the unit is operating within the manufacturer’s temperature and load limits. It starts automatically when those limits are reached. The exact behavior varies by model, so there is no universal wattage or temperature at which every PSU fan should turn on. 







Should a PSU Fan Spin While Gaming?

Not necessarily. A game may increase power consumption without pushing a particular PSU past its fan-start threshold, especially if the unit has plenty of capacity for the system. Some fans also spin briefly at startup and then stop. Fan behavior depends on the specific PSU model and its control mode, so use the product manual as your reference rather than expecting the fan to run whenever a game launches.





How Can You Check a PSU Fan That Is Not Spinning?

First, identify the exact PSU model and check whether it supports zero RPM or has a fan-stop switch. Then observe it during ordinary use: does the PC remain stable, and does the fan start when the PSU needs cooling? Power off and unplug the PC before checking whether a dust filter or nearby surface blocks the PSU’s external air intake.

Never open the power supply or insert anything through its fan grille. Internal components can carry dangerous voltage, and a stationary fan alone is not a reason to attempt a repair.







When Is a Stopped PSU Fan a Warning Sign?

Take the issue seriously if a PSU without a documented fan-stop mode never spins, or if the PC begins shutting down unexpectedly, producing a burning smell, or making new mechanical noises. Turn the system off and contact the manufacturer or retailer for diagnosis. Even with a zero RPM model, a fan that never starts alongside these symptoms deserves professional attention. Do not use a demanding game as a stress test when you already suspect a fault.







Final Thoughts

A still PSU fan is often a feature, not a failure. For example, the Taiwan listings for the darkFlash PMT Series Power Supply specify an ECO low-load zero-noise mode. Check your own model’s specifications first; if the fan behavior comes with instability or other warning signs, stop using the PC and seek support.

A PSU fan that is not spinning may be operating in zero RPM mode. Learn when fan-stop behavior is normal, what you can check safely, and which symptoms call for support.