Tech News

Tin tức công nghệ

Product News

Tin tức sản phẩm

Hardware Tips

Mẹo về phần cứng

Build Guides

Hướng dẫn xây dựng

How-to Guides

Hướng dẫn thực hành

Product Reviews

Đánh giá sản phẩm

Build Guides                                                    

Whether it is the massive RTX 5090 or the efficient 5070, modern GPU coolers have become incredibly dense. 

With power draws pushing limits, the traditional "Front-to-Back" airflow strategy from the 2020s is struggling to keep up. This has made 

 airflow the new standard for high-end builds. But is it just for aesthetics? In this guide, we explain why the RTX 50 series practically 

The Problem with Front Intake: The "90-Degree" Turn

In a standard tower case, fans are usually mounted on the front panel, pushing cool air horizontally.

This setup worked fine for older generations, but it creates a conflict for modern cards like the RTX 5080:

This means your GPU has to fight to "grab" the cool air as it passes by, forcing the airflow to make a sharp 90-degree turn. With the increased thickness of 50-series heatsinks, this turbulence creates dead zones, forcing fans to spin louder just to maintain boost clocks.

Why Direct Cooling Wins: The Physics of Bottom Intake

When you install fans at the bottom of the case, the physics change completely. Bottom fans pull cool air from the lowest point (the coolest air in the room) and push it 

For cards with high power density like the RTX 5090 (which can spike over 500W), this 

 method is superior. Benchmarks show that adding bottom intake fans can lower GPU Core temperatures by 3-5°C, and significantly reduce the critical Hotspot Temperature.

Panoramic Cases: The New Standard for 2025/2026

By now, "Panoramic" or "Dual Chamber" cases (like the 

) are the norm for gaming builds. Since these cases use glass front panels, 

This setup prevents heat pockets from forming around the massive backplates of modern GPUs, ensuring your system performs as good as it looks.

With bottom intake becoming essential, aesthetic standards have also risen. Nobody wants to look at the ugly back frame of a fan on the bottom of their case.

The Solution: darkFlash Reverse Blade Fans To maintain a clean look:

 on the bottom allows you to pull air in (Intake) while showing off the "Infinity Mirror" center and clean RGB blades, keeping your build showcase-ready.





If you have upgraded to the latest RTX 50-series (Blackwell) graphics cards, you know the reality: Performance comes with heat. Whether it is the massive RTX 5090 or the efficient 5070, modern GPU coolers have become incredibly dense. 

With power draws pushing limits, the traditional "Front-to-Back" airflow strategy from the 2020s is struggling to keep up. This has made Bottom Intake airflow the new standard for high-end builds. But is it just for aesthetics? In this guide, we explain why the RTX 50 series practically demands airflow from the floor.



The Problem with Front Intake: The "90-Degree" Turn

In a standard tower case, fans are usually mounted on the front panel, pushing cool air horizontally.

This setup worked fine for older generations, but it creates a conflict for modern cards like the RTX 5080:





The GPU's Flow: The massive GPU fans pull air vertically upwards.



The Case's Flow: Front fans push air horizontally.





(darkFlash DRX70 Mesh ATX PC Case, with mesh front and optional bottom fan mounts)



This means your GPU has to fight to "grab" the cool air as it passes by, forcing the airflow to make a sharp 90-degree turn. With the increased thickness of 50-series heatsinks, this turbulence creates dead zones, forcing fans to spin louder just to maintain boost clocks.



Why Direct Cooling Wins: The Physics of Bottom Intake

When you install fans at the bottom of the case, the physics change completely. Bottom fans pull cool air from the lowest point (the coolest air in the room) and push it vertically upwards.





Zero Resistance: This airflow direction aligns perfectly with your GPU fans.



Instant Access: Cool air travels directly into the GPU heatsink without passing through drive cages or cabling.





(darkFlash DY460 ATX PC Case)



For cards with high power density like the RTX 5090 (which can spike over 500W), this "Direct Airflow" method is superior. Benchmarks show that adding bottom intake fans can lower GPU Core temperatures by 3-5°C, and significantly reduce the critical Hotspot Temperature.



Panoramic Cases: The New Standard for 2025/2026

By now, "Panoramic" or "Dual Chamber" cases (like the darkFlash DY460 ATX PC Case) are the norm for gaming builds. Since these cases use glass front panels, bottom intake is mandatory.







This design relies on an optimized "Chimney Effect":





Bottom: Forces cold air directly into the GPU.



Side: Supplies fresh air to the CPU and VRMs.



Top: Exhausts all rising heat immediately.

This setup prevents heat pockets from forming around the massive backplates of modern GPUs, ensuring your system performs as good as it looks.



Reverse Blade Fans: Don't Ruin the Look

With bottom intake becoming essential, aesthetic standards have also risen. Nobody wants to look at the ugly back frame of a fan on the bottom of their case.

The Solution: darkFlash Reverse Blade Fans To maintain a clean look:





Normal Blade Fan: Pushes air away from the pretty side.



Reverse Blade Fan: Pulls air through the pretty side.





(Left: Standard bottom fans via Reddit / Right: darkFlash INF34 Reverse Fans)



Using darkFlash Reverse Fans on the bottom allows you to pull air in (Intake) while showing off the "Infinity Mirror" center and clean RGB blades, keeping your build showcase-ready.



Conclusion: Do You Need Bottom Fans?









For Mid-Range GPUs (RTX 5060 / 5060 Ti): Traditional airflow is sufficient, but bottom fans help with noise.



For High-End GPUs (RTX 5070 & Up): Bottom intake is highly recommended. The thermal density of these cards benefits hugely from direct air.



For Glass/Panoramic Cases: Bottom intake is mandatory.

Stop GPU thermal throttling, learn why bottom intake is the new standard for 2026 builds.

Are Bottom Intake Fans Necessary? The Truth About GPU Cooling

Hãy chấm dứt tình trạng giảm hiệu năng GPU do quá nhiệt, tìm hiểu lý do tại sao tản nhiệt đáy là tiêu chuẩn mới cho các cấu hình máy tính năm 2026.

Quạt hút gió phía dưới có cần thiết không? Sự thật về hệ thống làm mát GPU

Tech News                                                       

 has just delivered massive news for PC gamers. NVIDIA officially unveiled 

, a technology that promises to redefine performance boundaries with a staggering 

If you thought DLSS 3 was a game-changer, the leap to 4.5 is generational. With the introduction of the 2nd Gen Transformer AI model and Dynamic Multi-Frame Generation, we are looking at 4K path-traced gaming hitting 240Hz+ effortlessly.

What is the DLSS 4.5 2nd Gen Transformer Model? (And Why It Matters)

The heart of DLSS 4.5 isn't just about speed; it's about clarity. NVIDIA has introduced a 2nd Gen Transformer AI model that changes how upscaling works.

Unlike previous iterations, this model is trained and runs inference directly in linear space (the game engine’s native environment). By utilizing FP8 precision data via the Tensor Cores on GeForce RTX 40 and 50 series GPUs, NVIDIA has doubled the inference throughput.

Unlocking 6x Frame Rates: Performance Gains vs. Thermal Throttling

This is the headline feature. While DLSS 4 capped out at 4x frame generation, DLSS 4.5 pushes this to 6x. By leveraging the improved efficiency of the 2nd Gen Transformer model, the system can now generate 5 intermediate frames for every 1 natively rendered frame.

The Hidden Danger: High FPS and Overheating

Pushing 6x frame rates allows you to fully utilize 360Hz monitors, but it also means your GPU will be boosting aggressively to maintain that throughput. As we know, the number-one cause of sudden FPS drops is excessive heat. When your GPU gets too hot (typically 80–90°C), it throttles performance.

To sustain these high frame rates without stuttering, you need a chassis that prioritizes intake. We recommend upgrading to a high-airflow case like the 

, which features louvered side panels specifically designed to maximize cold air intake for your GPU.

Dynamic Multi-Frame Generation: Achieving Stable 240Hz 4K Gaming

One of the smartest features in DLSS 4.5 is 

. Instead of a fixed multiplier, the AI continuously monitors the gap between your GPU's raw performance and your monitor's maximum refresh rate. It effectively "fills in the blanks" in real-time.

Generating frames at this velocity requires stable power delivery. Sudden spikes in GPU usage during intense gaming scenes can cause system instability if your PSU isn't up to the task. 

If you are planning to upgrade to an RTX 50 series card to utilize these features, ensure your rig is powered by a high-wattage unit like the 

darkFlash PMT Series 1050W+ PSU (Cybenetics Platinum Certified)

 to handle the transient spikes of next-gen GPUs.

DLSS 4.5 Release Date & Supported Graphics Cards

NVIDIA is rolling this out in two phases. Here is what you need to know to get your system ready:

Phase 2: Spring 2026 (Performance Upgrade)

DLSS 4.5 is poised to make 4K/240Hz gaming the new standard for enthusiasts. However, software is only half the battle. To maintain those frames, your hardware environment—specifically airflow and power stability—must be top-tier.

Whether you need to improve your case airflow to prevent thermal throttling or secure a stable power supply for an RTX 50 upgrade, 

 has the components to ensure your rig keeps up with the software.



(NVIDIA DLSS 4.5, source: NVIDIA Website)



CES 2026 has just delivered massive news for PC gamers. NVIDIA officially unveiled DLSS 4.5, a technology that promises to redefine performance boundaries with a staggering 6x frame generation capability.

If you thought DLSS 3 was a game-changer, the leap to 4.5 is generational. With the introduction of the 2nd Gen Transformer AI model and Dynamic Multi-Frame Generation, we are looking at 4K path-traced gaming hitting 240Hz+ effortlessly.



What is the DLSS 4.5 2nd Gen Transformer Model? (And Why It Matters)

The heart of DLSS 4.5 isn't just about speed; it's about clarity. NVIDIA has introduced a 2nd Gen Transformer AI model that changes how upscaling works.











Unlike previous iterations, this model is trained and runs inference directly in linear space (the game engine’s native environment). By utilizing FP8 precision data via the Tensor Cores on GeForce RTX 40 and 50 series GPUs, NVIDIA has doubled the inference throughput.







Key Visual Improvements::





Superior Detail: Better lighting, sharper edges, and more accurate texture details after upscaling.



Reduced Ghosting: The new temporal stability algorithms significantly reduce the visual artifacts often associated with fast motion.



Availability Note: The 2nd Gen Transformer Model isn't locked behind a paywall of new hardware. It supports RTX 20, 30, 40, and 50 series GPUs, meaning almost everyone gets a visual upgrade.



Unlocking 6x Frame Rates: Performance Gains vs. Thermal Throttling

This is the headline feature. While DLSS 4 capped out at 4x frame generation, DLSS 4.5 pushes this to 6x. By leveraging the improved efficiency of the 2nd Gen Transformer model, the system can now generate 5 intermediate frames for every 1 natively rendered frame.







The Hidden Danger: High FPS and Overheating

Pushing 6x frame rates allows you to fully utilize 360Hz monitors, but it also means your GPU will be boosting aggressively to maintain that throughput. As we know, the number-one cause of sudden FPS drops is excessive heat. When your GPU gets too hot (typically 80–90°C), it throttles performance.





(darkFlash DY460 ATX PC Case)



To sustain these high frame rates without stuttering, you need a chassis that prioritizes intake. We recommend upgrading to a high-airflow case like the darkFlash DY460, which features louvered side panels specifically designed to maximize cold air intake for your GPU.



Dynamic Multi-Frame Generation: Achieving Stable 240Hz 4K Gaming

One of the smartest features in DLSS 4.5 is Dynamic Multi-Frame Generation. Instead of a fixed multiplier, the AI continuously monitors the gap between your GPU's raw performance and your monitor's maximum refresh rate. It effectively "fills in the blanks" in real-time.















The Result: In 4K resolution with full Path Tracing enabled, NVIDIA demonstrated games running at stable 240 FPS by dynamically shifting between 3x and 5x generation rates.



Power Stability for Next-Gen GPUs

Generating frames at this velocity requires stable power delivery. Sudden spikes in GPU usage during intense gaming scenes can cause system instability if your PSU isn't up to the task. 





(darkFlash PMT Series PSU / darkFlash PMT Series PSU - White Edition)



If you are planning to upgrade to an RTX 50 series card to utilize these features, ensure your rig is powered by a high-wattage unit like the darkFlash PMT Series 1050W+ PSU (Cybenetics Platinum Certified) to handle the transient spikes of next-gen GPUs.



DLSS 4.5 Release Date & Supported Graphics Cards





NVIDIA is rolling this out in two phases. Here is what you need to know to get your system ready:



Phase 1: Available Now (Visual Upgrade)

You can experience the 2nd Gen Transformer Model immediately via the NVIDIA App Beta 11.0.6.





How to enable: Go to the DLSS adjustment interface in the app and select "DLSS Override - Model Preset M."



Supported Hardware: RTX 20, 30, 40, and 50 Series.



Phase 2: Spring 2026 (Performance Upgrade)

The massive 6x Frame Generation feature is scheduled for release in Spring 2026.





Supported Hardware: Exclusive to GeForce RTX 50 Series GPUs.



Game Support: Over 250 games currently supporting multi-frame generation will be compatible.



Conclusion: Is Your PC Ready for 2026?

DLSS 4.5 is poised to make 4K/240Hz gaming the new standard for enthusiasts. However, software is only half the battle. To maintain those frames, your hardware environment—specifically airflow and power stability—must be top-tier.







Whether you need to improve your case airflow to prevent thermal throttling or secure a stable power supply for an RTX 50 upgrade, darkFlash has the components to ensure your rig keeps up with the software.

NVIDIA DLSS 4.5 has officially broken the frame rate ceiling with a massive 6x boost.

NVIDIA DLSS 4.5 Guide: 6x FPS, Release Date, and Essential PC Upgrades

Công nghệ NVIDIA DLSS 4.5 đã chính thức phá vỡ giới hạn tốc độ khung hình với mức tăng đáng kể gấp 6 lần.

Hướng dẫn NVIDIA DLSS 4.5: Tăng 6x FPS, ngày phát hành và các nâng cấp PC cần thiết

darkFlash is marking a significant milestone at CES 2026 with its first large-scale exhibition booth. Centered around a distinctive "Space" theme, the immersive display showcases a comprehensive ecosystem of PC components tailored specifically for the US market.

From award-winning chassis designs to an expanded lineup of thermal solutions and peripherals, darkFlash is demonstrating its commitment to providing versatile and innovative options for PC builders.

Innovation Takes Center Stage: The FLOATRON F1

Leading the showcase is the FLOATRON F1, recognized as a CES 2026 Innovation Awards Honoree. Building on this accolade, darkFlash is introducing the highly anticipated ATX version of the chassis this year.

The new model enhances the signature floating structure with an integrated LED strip at the base, creating a suspended visual effect that deepens the immersive experience for users.

The F1’s design is defined by its functionality. The Floating Extended Base not only creates a unique aesthetic but is engineered for superior airflow, channeling air from the bottom and sides into a seamless multidirectional flow to keep the system cool and steady.

Beyond performance, the floating base doubles as a multi-functional display platform. It serves as a customizable stage where users can showcase figures or lighting effects, blending cooling performance with creative expression. Combined with quick-release side panels and a smart interior layout, the F1 is designed to make upgrades intuitive and every inch of the build count.

Following the success of the DY470 in 2024—which captivated users with its diamond-cut exterior, panoramic three-sided glass, and dual-chamber layout, darkFlash is expanding the series with the DY460, the primary focus for 2025.

While retaining the celebrated aesthetic DNA of its predecessor, the DY460 adopts a vertical layout with a top-and-bottom chamber design. This shift offers a more compact footprint, significantly saving desk space. By offering both the wide-body DY470 and the space-efficient DY460, darkFlash ensures that consumers can enjoy the series' distinct visual style while choosing the form factor that best fits their setup.

Visualizing Performance: Cooling and Chassis Diversity

In the realm of thermal solutions, darkFlash is highlighting the UV360 AIO liquid cooler. This model features a detachable, magnetic curved screen on the pump block, allowing users to freely adjust the viewing angle and enjoy the unique visual impact of a curved display. 

Also on display is the Explore Series, featuring the DE360 AIO and E400 air cooler, which served as key highlights during Computex 2025.

The chassis lineup is further diversified with models catering to various aesthetic preferences. The U1 introduces a double-curved glass design, ensuring an omni-directional view of the internal components from any angle. The DS900 series offers specialized variations, including the glass-focused DS900G, the wood-accented DS900W for a warmer aesthetic, and the DS950V, which integrates a customizable screen into the front panel.

Expanding the Ecosystem: Peripherals and Components

Rounding out the exhibition, darkFlash is showcasing a robust range of peripherals that have garnered significant attention at the show. The keyboard lineup includes the popular GD Series, the pixel-screen equipped PXD Series, and new models featuring magnetic switches and premium aluminum alloy construction.

To support these builds, the booth also features the latest in power and airflow, including the G24 and INF34 daisy-chain fans for simplified cable management, alongside a variety of power supply units designed for the mainstream market.

Our presence at CES 2026 reflects darkFlash’s ongoing journey to explore new possibilities in the PC DIY space. Beyond the specs and aesthetics, we remain dedicated to delivering better, more intuitive experiences for users. As we look to the future, darkFlash will continue to listen to the community and provide products that empower builders to turn their creativity into reality.





darkFlash is marking a significant milestone at CES 2026 with its first large-scale exhibition booth. Centered around a distinctive "Space" theme, the immersive display showcases a comprehensive ecosystem of PC components tailored specifically for the US market.

From award-winning chassis designs to an expanded lineup of thermal solutions and peripherals, darkFlash is demonstrating its commitment to providing versatile and innovative options for PC builders.



Innovation Takes Center Stage: The FLOATRON F1





Leading the showcase is the FLOATRON F1, recognized as a CES 2026 Innovation Awards Honoree. Building on this accolade, darkFlash is introducing the highly anticipated ATX version of the chassis this year.

The new model enhances the signature floating structure with an integrated LED strip at the base, creating a suspended visual effect that deepens the immersive experience for users.







The F1’s design is defined by its functionality. The Floating Extended Base not only creates a unique aesthetic but is engineered for superior airflow, channeling air from the bottom and sides into a seamless multidirectional flow to keep the system cool and steady.

Beyond performance, the floating base doubles as a multi-functional display platform. It serves as a customizable stage where users can showcase figures or lighting effects, blending cooling performance with creative expression. Combined with quick-release side panels and a smart interior layout, the F1 is designed to make upgrades intuitive and every inch of the build count.



Evolving the DY Series Design Language





Following the success of the DY470 in 2024—which captivated users with its diamond-cut exterior, panoramic three-sided glass, and dual-chamber layout, darkFlash is expanding the series with the DY460, the primary focus for 2025.

While retaining the celebrated aesthetic DNA of its predecessor, the DY460 adopts a vertical layout with a top-and-bottom chamber design. This shift offers a more compact footprint, significantly saving desk space. By offering both the wide-body DY470 and the space-efficient DY460, darkFlash ensures that consumers can enjoy the series' distinct visual style while choosing the form factor that best fits their setup.



Visualizing Performance: Cooling and Chassis Diversity





In the realm of thermal solutions, darkFlash is highlighting the UV360 AIO liquid cooler. This model features a detachable, magnetic curved screen on the pump block, allowing users to freely adjust the viewing angle and enjoy the unique visual impact of a curved display. 







Also on display is the Explore Series, featuring the DE360 AIO and E400 air cooler, which served as key highlights during Computex 2025.







The chassis lineup is further diversified with models catering to various aesthetic preferences. The U1 introduces a double-curved glass design, ensuring an omni-directional view of the internal components from any angle. The DS900 series offers specialized variations, including the glass-focused DS900G, the wood-accented DS900W for a warmer aesthetic, and the DS950V, which integrates a customizable screen into the front panel.



Expanding the Ecosystem: Peripherals and Components





Rounding out the exhibition, darkFlash is showcasing a robust range of peripherals that have garnered significant attention at the show. The keyboard lineup includes the popular GD Series, the pixel-screen equipped PXD Series, and new models featuring magnetic switches and premium aluminum alloy construction.







To support these builds, the booth also features the latest in power and airflow, including the G24 and INF34 daisy-chain fans for simplified cable management, alongside a variety of power supply units designed for the mainstream market.



Looking Ahead





Our presence at CES 2026 reflects darkFlash’s ongoing journey to explore new possibilities in the PC DIY space. Beyond the specs and aesthetics, we remain dedicated to delivering better, more intuitive experiences for users. As we look to the future, darkFlash will continue to listen to the community and provide products that empower builders to turn their creativity into reality.

Headlined by "Innovation Awards" Honoree FLOATRON F1.

darkFlash Unveils Immersive Exhibit at CES 2026

Nổi bật là FLOATRON F1, đơn vị được vinh danh trong "Giải thưởng Sáng tạo".

darkFlash ra mắt triển lãm tương tác tại CES 2026

DRX70 Series case, magnetic front panel designed easy swap between glass and mesh

Vỏ máy tính dòng DRX70, mặt trước từ tính được thiết kế để dễ dàng thay đổi giữa kính và lưới.

The sheet metal parts that are formed are strong and the weight is reasonable.

BEST

Vmodtech (Thailand)

This casing is perfect for building a powerful gaming PC or workstation.

EDITOR'S CHOICE

Overclocking (Indonesia)

DY470 ATX PC Case offers the perfect balance of luxurious design, functionality and optimal cooling capabilities.

hardwareholic (Indonesia)

The darkFlash ARCEE DY470 is a good case with good design, durability, and pleasing aesthetics.

Rkiologist(Philippine)

These panoramic cases are the new standard, giving more ways for users to showcase their builds.

Hexmojo(Philippine)

DY470 is not just a regular PC case, but also a perfect combination of sophisticated design, powerful performance and flexible customization.

Sản phẩm bán chạy

Danh mục

Tin tức