Build Guides                                                    

Is your gaming PC starting to look like a dust magnet? Or worse, are you noticing your temperatures creeping up and your frame rates dipping after a few months of use? While many builders obsess over RGB lighting or cable management, there is an invisible physics battle happening inside your case that determines the health of your PC: 

 air pressure is the key to keeping your components cool and, more importantly, dust-free. Let’s see how this works in practice, using the 

The Basics: How Air Pressure Works in a PC

Think of your PC case as a room. You have fans pushing air in (Intake) and fans pulling air out (Exhaust). The relationship between these two forces creates pressure.

Optimized Positive Pressure (Recommended)

How to Set Up the Perfect "Positive Pressure" Build

To achieve the "Goldilocks" zone of high airflow and low dust, follow this simple strategy using your components.

Step 1: Maximize Intake with Filtered Air

. However, you must ensure the intake air comes from a filtered source.

(fully open ventilation layout, with magnetic filters on top and side panel)

The "Floating" Advantage: Why the FLOATRON F1 Wins

Most panoramic "fish tank" cases suffer from a common problem: they sit too low to the ground, choking the bottom fans.

. By elevating the chassis, it opens up a massive airway for the bottom fans to pull in fresh, cool air without restriction.

The Perfect Positive Pressure Configuration

To achieve the "Goldilocks" zone of high airflow and low dust, simply fill the fan slots on the FLOATRON F1. The case is engineered to naturally create positive pressure:

. This setup guarantees that cool air is always forcing its way 

 of the cracks, keeping dust away from your precious components.

Dust acts as an insulator, trapping heat inside heatsinks. Even with positive pressure, you should check your filters every 3-6 months. The 

’s filters catch the dust before it hits your hardware, making cleaning as simple as peeling off the filter and wiping it down.





Is your gaming PC starting to look like a dust magnet? Or worse, are you noticing your temperatures creeping up and your frame rates dipping after a few months of use? While many builders obsess over RGB lighting or cable management, there is an invisible physics battle happening inside your case that determines the health of your PC: Air Pressure. 



Understanding the difference between Positive and Negative air pressure is the key to keeping your components cool and, more importantly, dust-free. Let’s see how this works in practice, using the darkFlash FLOATRON F1 M-ATX PC Case as our reference case."



The Basics: How Air Pressure Works in a PC

Think of your PC case as a room. You have fans pushing air in (Intake) and fans pulling air out (Exhaust). The relationship between these two forces creates pressure.



Positive Air Pressure (The Goal)





The Setup: Total Intake CFM (Airflow in) > Total Exhaust CFM (Airflow out).



The Physics: You are forcing more air into the case than the exhaust fans can pull out. This causes the extra air to naturally push out of every tiny crack, gap, and unfiltered vent in your chassis.



The Result: Dust cannot enter through the gaps because air is constantly rushing out of them. As long as your intake fans have dust filters, the inside of your PC stays clean.







Negative Air Pressure (The Dust Magnet)





The Setup: Total Exhaust CFM > Total Intake CFM.



The Physics: Your fans are pumping air out faster than it can get in, creating a vacuum effect.



The Result: Air (and dust) is sucked in through every unfiltered crack, PCIe slots, side panel gaps, and unused ports. This turns your PC into a vacuum cleaner.







Optimized Positive Pressure (Recommended)





The Setup: Total Intake CFM slightly > Total Exhaust CFM.



The Physics: This creates a clear airflow path where fresh cool air is forced in, while dedicated exhaust fans actively remove the rising heat. It prevents the "heat soak" that can happen if you only use intake fans.



The Result: The best of both worlds. You maintain the dust-repelling benefits of positive pressure while ensuring your GPU and CPU heat is efficiently ejected from the chassis.







How to Set Up the Perfect "Positive Pressure" Build

To achieve the "Goldilocks" zone of high airflow and low dust, follow this simple strategy using your components.



Step 1: Maximize Intake with Filtered Air

You want more fans blowing in than blowing out. However, you must ensure the intake air comes from a filtered source.





The "Fish Tank" Solution: On panoramic cases like the darkFlash FLOATRON F1, the front panel is glass, which looks great but blocks front airflow.



The Fix: The FLOATRON F1 features fully open ventilation layout. These allow you to mount high-performance fans (like the darkFlash DM8 LINE) on the side and bottom to pull massive amounts of cold air in.



Pro Tip: Since the FLOATRON F1 comes with dust filters, these intakes will catch the dust before it hits your GPU.





(fully open ventilation layout, with magnetic filters on top and side panel)



Step 2: Choose the Right Fan for the Job

Not all fans are created equal.





For Radiators (Top Exhaust): You want fans that can push through resistance.



For Case Intake: You want durability. Since intake fans often fight against dust filters, we recommend Hydro Bearing fans. They offer a longer lifespan (~40,000+ hours) compared to standard sleeve bearings and are whisper-quiet.





(darkFlash DM8 LINE)



Step 3: The "Chimney" Configuration

Heat naturally rises. Work with physics, not against it.





Bottom: INTAKE (Cold air for the GPU).



Side: INTAKE (Fresh air for the Motherboard/CPU).



Top/Rear: EXHAUST (Pushing the hot air out).







The "Floating" Advantage: Why the FLOATRON F1 Wins

Most panoramic "fish tank" cases suffer from a common problem: they sit too low to the ground, choking the bottom fans.

The darkFlash FLOATRON F1 solves this with its signature Suspension Design (Floating Base). By elevating the chassis, it opens up a massive airway for the bottom fans to pull in fresh, cool air without restriction.



The Perfect Positive Pressure Configuration

To achieve the "Goldilocks" zone of high airflow and low dust, simply fill the fan slots on the FLOATRON F1. The case is engineered to naturally create positive pressure:





Intake (5 Fans):





Bottom: 3x Fans (The floating base allows maximum air intake directly to the GPU).



Side: 2x Fans (Pulling fresh air for the Motherboard and CPU).



Exhaust (4 Fans):





Top: 3x Fans (Radiator exhaust).



Rear: 1x Fan.

The Math: 5 Intake Fans > 4 Exhaust Fans. This setup guarantees that cool air is always forcing its way out of the cracks, keeping dust away from your precious components.







A Final Tip on Maintenance

Dust acts as an insulator, trapping heat inside heatsinks. Even with positive pressure, you should check your filters every 3-6 months. The FLOATRON F1’s filters catch the dust before it hits your hardware, making cleaning as simple as peeling off the filter and wiping it down.

Unlock the secret to a cleaner, cooler gaming rig by mastering the invisible science of positive vs. negative air pressure.

Positive vs. Negative Air Pressure: The Ultimate Guide for Dust Control

Hardware Tips                                                   

Few things are more frustrating than watching your FPS suddenly dip while you are in the middle of a game. Your system seems fine, temps look normal, but the frame rate just drops out of nowhere. These unexpected FPS drops are extremely common, and there are several real reasons behind them.

High Temperatures Causing Thermal Throttling

The number-one cause of sudden FPS drops is excessive heat. When your CPU or GPU gets too hot, it automatically reduces its clock speed to protect itself, leading to instant performance loss.

, featuring louver side panel on PSU Chamber)

Running out of VRAM can cause instant FPS drops. When VRAM is full, the GPU is forced to offload data to system RAM, which is much slower.

Sometimes your game is not the problem. Windows or other apps may be taking CPU, GPU, or RAM in the background (e.g., Chrome tabs, Windows Update).

Power Supply Issues (Insufficient or Unstable Power)

This is an often overlooked cause. If your PSU cannot handle sudden power spikes (transients) from a modern GPU, your system may throttle or crash.

Insufficient RAM or Single-Channel Memory

Your FPS may drop if your system is running out of RAM or if it is running at low speed.

Modern games stream assets constantly. If you install games on a slow HDD, you will notice stuttering when moving to new areas.

Even the best hardware will throttle if it's choked by dust. Dust acts as an insulator, trapping heat inside heatsinks.

Conclusion: Stabilize Your Framerates with darkFlash

. While software tweaks can help, the ultimate fix is often ensuring your hardware has the environment it needs to perform. Whether you need better airflow, powerful liquid cooling, or a reliable power supply, 

darkFlash has the gear to keep your frames high and your temps low.





Few things are more frustrating than watching your FPS suddenly dip while you are in the middle of a game. Your system seems fine, temps look normal, but the frame rate just drops out of nowhere. These unexpected FPS drops are extremely common, and there are several real reasons behind them.



High Temperatures Causing Thermal Throttling

The number-one cause of sudden FPS drops is excessive heat. When your CPU or GPU gets too hot, it automatically reduces its clock speed to protect itself, leading to instant performance loss.



Typical throttle temperatures





CPU: around 90°C and above



GPU: 80–90°C depending on the model

Fixes





Improve Case Airflow: If your case feels like an oven, your components can't breathe. Consider upgrading to a high-airflow case like the darkFlash DY460 which features louvered side panels designed to maximize cold air intake.



(darkFlash DY460 ATX PC Case, featuring louver side panel on PSU Chamber)







Upgrade Your Cooler: Stock coolers often struggle with modern gaming loads. Switching to a darkFlash AIO Liquid Cooler (like the DE360/240 or DO360/240 Liquid Cooler) can drop temps significantly and keep boost clocks stable.



(darkFlash DE360 Liquid CPU Cooler)







Check Your Fans: Ensure you have positive or neutral air pressure. Adding high-performance darkFlash RGB fans not only looks great but ensures heat is actively pushed out of the chassis.



(darkFlash INF34 Cooling Fan, pre-installed in DY460 PC Case)



VRAM (Graphics Memory) Is Full

Running out of VRAM can cause instant FPS drops. When VRAM is full, the GPU is forced to offload data to system RAM, which is much slower.



Fixes





Lower texture quality in game settings.



Turn off demanding effects like Ray Tracing if your card struggles.



Pro Tip: A well-cooled GPU boosts higher and handles loads better. Ensure your case has bottom or front fans directing air straight to the GPU.





Background Programs Eating Resources

Sometimes your game is not the problem. Windows or other apps may be taking CPU, GPU, or RAM in the background (e.g., Chrome tabs, Windows Update).



Fixes





Use "Exclusive Fullscreen" mode in games.



Turn on Windows Game Mode.



Check Task Manager for sudden spikes.



(Call of Duty: Black Ops 7 Trailer via Xbox YouTube Channel. Best experienced in fullscreen)



Power Supply Issues (Insufficient or Unstable Power)

This is an often overlooked cause. If your PSU cannot handle sudden power spikes (transients) from a modern GPU, your system may throttle or crash.



Symptoms





Sharp FPS drops during explosions or intense scenes.



GPU usage fluctuating wildly.

Fixes





Ensure Stability: Never skimp on your power supply unit. A high-quality PSU provides stable voltage even during load spikes.



Upgrade Capacity: If you are running a high-end card (like an RTX 5080) on an old 600W unit, it's time to upgrade to a darkFlash High-Wattage PSU to ensure your system gets the clean power it needs.



(darkFlash PMT Power Supply, Cybenetics platinum certified)



Insufficient RAM or Single-Channel Memory

Your FPS may drop if your system is running out of RAM or if it is running at low speed.



Fixes





Enable XMP / EXPO in BIOS.



Ensure you are using dual-channel configurations (two sticks are better than one).





Slow Storage Causing Loading Stalls

Modern games stream assets constantly. If you install games on a slow HDD, you will notice stuttering when moving to new areas.



Fixes





Always install AAA games on an NVMe SSD.





Dust Buildup & Maintenance

Even the best hardware will throttle if it's choked by dust. Dust acts as an insulator, trapping heat inside heatsinks.



Fixes





Regular Cleaning: Clean your PC every 3-6 months.



Use Dust Filters: This is why most of darkFlash cases come equipped with easy-to-remove dust filters. They catch the dust before it hits your components, making cleaning as easy as peeling off the filter and wiping it down.





Conclusion: Stabilize Your Framerates with darkFlash

Most sudden FPS drops are caused by Heat or Power. While software tweaks can help, the ultimate fix is often ensuring your hardware has the environment it needs to perform. Whether you need better airflow, powerful liquid cooling, or a reliable power supply, darkFlash has the gear to keep your frames high and your temps low.





Sudden FPS drops are common and frustrating, here are the real reasons behind them and how to fix them.

Why Does My FPS Drop Suddenly in Games? Causes and How to Fix It

How-to Guides                                                   

In recent years, all-white PC builds have become the go-to choice for many gamers looking to create a clean and stylish setup. But questions like 

“Will my white components turn yellow?”

 are common concerns. In this article, we’ll explain why white PCs may yellow over time and how to properly care for them so they stay bright and pristine.

Why Do White PC Builds Turn Yellow? Key Causes Explained

White materials aren’t guaranteed to yellow, but they do show signs of aging more noticeably than black ones. The main reasons include:

When your PC is placed in direct sunlight for extended periods, ultraviolet light can trigger photochemical reactions in certain plastics and coatings, gradually causing them to yellow.

Oil, dust, and fine particles in the air can settle on white surfaces over time, making them look dull or dirty yellow.

Long-term heat can accelerate material degradation, especially around areas near exhaust vents where temperatures are higher.

Not all white coatings and plastics are made equal. Different brands and production batches can have varying resistance to aging. Choosing reputable products significantly reduces the chance of yellowing.

How to Maintain Your White PC? 5 Simple Tips to Keep It Looking New

While white builds are at some risk of yellowing, with regular cleaning and proper placement, you can keep your system looking immaculate. Here are some practical tips for gamers:

Place your PC in a cool, shaded area to minimize UV exposure.

Wipe down surfaces at least once a month with a lint-free dry cloth or a lightly dampened one. Avoid harsh chemical cleaners.

Use an air purifier and keep your room tidy to minimize dust and oil particles settling on your PC.

Ensure good airflow around your system to prevent excessive heat buildup that can accelerate aging.

Opt for components with high-quality, durable coatings designed to resist discoloration. For example, 

 is specifically engineered for long-lasting beauty.

Conclusion: White PCs Don’t Have to Yellow — It’s All About the Right Care and Quality

White PC builds don’t inevitably turn yellow quickly — it all depends on the materials and your environment. By choosing reliable products and practicing regular cleaning while avoiding direct sunlight, you can enjoy a bright, white rig for years to come.

If you’re looking for a beautifully designed, durable white case or cooling solution, check out the 

 — helping you build the pure white setup of your dreams!





In recent years, all-white PC builds have become the go-to choice for many gamers looking to create a clean and stylish setup. But questions like “Will my white components turn yellow?” or “How long before they discolor?” are common concerns. In this article, we’ll explain why white PCs may yellow over time and how to properly care for them so they stay bright and pristine.



Why Do White PC Builds Turn Yellow? Key Causes Explained

White materials aren’t guaranteed to yellow, but they do show signs of aging more noticeably than black ones. The main reasons include:



UV Exposure

When your PC is placed in direct sunlight for extended periods, ultraviolet light can trigger photochemical reactions in certain plastics and coatings, gradually causing them to yellow.



Air Pollution and Dust

Oil, dust, and fine particles in the air can settle on white surfaces over time, making them look dull or dirty yellow.



High Temperatures

Long-term heat can accelerate material degradation, especially around areas near exhaust vents where temperatures are higher.



Material Quality Differences

Not all white coatings and plastics are made equal. Different brands and production batches can have varying resistance to aging. Choosing reputable products significantly reduces the chance of yellowing.







How to Maintain Your White PC? 5 Simple Tips to Keep It Looking New

While white builds are at some risk of yellowing, with regular cleaning and proper placement, you can keep your system looking immaculate. Here are some practical tips for gamers:



1. Avoid Direct Sunlight

Place your PC in a cool, shaded area to minimize UV exposure.



2. Clean Regularly

Wipe down surfaces at least once a month with a lint-free dry cloth or a lightly dampened one. Avoid harsh chemical cleaners.



3. Keep the Air Clean

Use an air purifier and keep your room tidy to minimize dust and oil particles settling on your PC.



4. Maintain Proper Ventilation

Ensure good airflow around your system to prevent excessive heat buildup that can accelerate aging.



5. Choose Quality Products

Opt for components with high-quality, durable coatings designed to resist discoloration. For example, darkFlash’s all-white series is specifically engineered for long-lasting beauty.





(Case: DRX70 / Cooler: DN360)



Conclusion: White PCs Don’t Have to Yellow — It’s All About the Right Care and Quality

White PC builds don’t inevitably turn yellow quickly — it all depends on the materials and your environment. By choosing reliable products and practicing regular cleaning while avoiding direct sunlight, you can enjoy a bright, white rig for years to come.





(Case: DY470 / Cooler: DN360S / Fans: DM12 Pro)



If you’re looking for a beautifully designed, durable white case or cooling solution, check out the darkFlash white series — helping you build the pure white setup of your dreams!

Why white PCs yellow — and how to keep yours looking brand new.

Do White PC Builds Turn Yellow? How to Keep Your White Rig Looking Brand New

Passionnés de jeux vidéo et de montage informatique, nous, chez darkFlash, sommes fiers de concevoir des produits impressionnants et exceptionnels grâce à des équipements haut de gamme. Pour cela, nous assemblons et testons nous-mêmes boîtiers PC, systèmes de refroidissement pour processeur, ventilateurs et même chaises et tables gaming.

Notre objectif est de créer des produits qui transforment l'expérience de chaque utilisateur.

flash sombre

As an enthusiast of games and computer DIY in this age, we, darkFlash, feel proud and grateful for keep thinking how to develop impressive and extraordinary products with high-end facilities by assembling and using the PC cases, CPU coolers, case fans, and even gaming chairs and tables in person.

Our goal is to create products that could extremely exert its effect by every user.