Hardware Tips                                                   

Ever notice your PC slowing down when things get hot?

Your game suddenly drops frames, video exports take longer, and your fans sound like a jet engine, yet performance keeps dropping. This isn’t just your PC “getting old”—it’s your system protecting itself from

 heat damage, limiting performance to survive.

Your CPU and GPU generate heat as they work. Normally, your cooling system keeps things in check, but if temperatures climb too high—typically above 90°C—your system will automatically lower its operating speeds to reduce heat.

, a built-in safety feature that prevents permanent damage by sacrificing performance to lower temperatures.

In other words: Your PC slows down to protect itself.

If your environment is warm, or your PC frequently handles heavy tasks like rendering, gaming, or simulations, these slowdowns can happen often.

The Best Fan Installation Direction for Your PC Case

While thermal throttling protects your PC, it can interrupt your workflow and reduce productivity. Here’s how you can help your PC stay cool:

As a hardware brand, we see it all the time: creators, gamers, and engineers invest in high-performance PCs but still face slowdowns under heat. It’s often not the processor or GPU that’s the problem—it’s insufficient thermal management.

By ensuring your system stays cool, you allow your CPU and GPU to maintain high clock speeds without triggering thermal throttling. This means:

If you’re planning to build or upgrade your PC for heavy workloads, 

thermal design should be at the top of your checklist.

High temperatures trigger thermal throttling, which reduces your PC’s performance to prevent damage. While this keeps your hardware safe, it can interrupt your productivity and gaming experience.

By improving airflow, maintaining a clean system, and considering advanced cooling when building your setup, you can keep your PC cool and fast—even during demanding tasks.

If you’re looking to optimize your workstation for stable performance under heavy loads, or need guidance on cooling solutions that match your workflow, feel free to reach out. We’re here to help you keep your PC performing at its best—no matter how hot it gets.





Ever notice your PC slowing down when things get hot?

Your game suddenly drops frames, video exports take longer, and your fans sound like a jet engine, yet performance keeps dropping. This isn’t just your PC “getting old”—it’s your system protecting itself from heat damage, limiting performance to survive.







Why Does Heat Slow Down Your PC?

Your CPU and GPU generate heat as they work. Normally, your cooling system keeps things in check, but if temperatures climb too high—typically above 90°C—your system will automatically lower its operating speeds to reduce heat.

This is known as thermal throttling, a built-in safety feature that prevents permanent damage by sacrificing performance to lower temperatures.

In other words: Your PC slows down to protect itself.



How Overheating Impacts Performance

When your PC overheats, you may notice:





Games drop in frame rates during intense moments.



Video rendering and exporting slow down.



Fans ramp up, becoming loud, but temperatures remain high.



The PC’s outer casing feels warm or hot.



The system feels sluggish, especially during demanding workloads.

If your environment is warm, or your PC frequently handles heavy tasks like rendering, gaming, or simulations, these slowdowns can happen often.





(The Best Fan Installation Direction for Your PC Case)



How to Prevent Heat-Related Slowdowns

While thermal throttling protects your PC, it can interrupt your workflow and reduce productivity. Here’s how you can help your PC stay cool:





Keep your workspace well-ventilated and ensure airflow around your system.



Regularly clean out dust from fans and heatsinks to maintain clear airflow.



Avoid blocking air vents with cables or clutter near your PC.



Consider using high-quality thermal paste to improve heat transfer.



If you run demanding workloads regularly, consider investing in advanced cooling solutions or a system designed for sustained performance.





(DP7 Thermal Paste)



Why Thermal Management Matters

As a hardware brand, we see it all the time: creators, gamers, and engineers invest in high-performance PCs but still face slowdowns under heat. It’s often not the processor or GPU that’s the problem—it’s insufficient thermal management.

By ensuring your system stays cool, you allow your CPU and GPU to maintain high clock speeds without triggering thermal throttling. This means:





Consistent frame rates in games



Faster render and simulation times



Quieter operation under load



Longer hardware lifespan

If you’re planning to build or upgrade your PC for heavy workloads, thermal design should be at the top of your checklist.





(DN360S Liquid CPU Cooler)



Key Takeaway

High temperatures trigger thermal throttling, which reduces your PC’s performance to prevent damage. While this keeps your hardware safe, it can interrupt your productivity and gaming experience.

By improving airflow, maintaining a clean system, and considering advanced cooling when building your setup, you can keep your PC cool and fast—even during demanding tasks.



If you’re looking to optimize your workstation for stable performance under heavy loads, or need guidance on cooling solutions that match your workflow, feel free to reach out. We’re here to help you keep your PC performing at its best—no matter how hot it gets.





Understanding Thermal Throttling and How It Affects Performance.

Why Does My PC Slow Down When It Gets Hot?

When building a gaming PC on a tight budget, many players tend to maximize their GPU spending while opting for an entry-level CPU. Is this combination really worth it? Is a GPU the only critical component for a gaming rig? 

 conducted real-world testing using a low-end CPU paired with a high-end GPU, utilizing the i3-12100F and i9-12900KS with an RTX 3080 as their testing platform.

 compared to the i3-12100F, representing nearly a 

. This clearly shows that a high-end CPU is necessary to fully unleash the potential of a high-end GPU.

↑ Rainbow Six: Siege 1080P FPS Performance (Source: 

, the performance gap starts to narrow, but there is still an average FPS difference of 17, translating to nearly a 

↑ Rainbow Six: Siege 2K FPS Performance (Source: 

, the performance difference between the high-end and low-end CPUs becomes negligible, primarily because the GPU becomes the bottleneck, limiting further FPS gains.

↑ Rainbow Six: Siege 4K FPS Performance (Source: 

, even in Assassin’s Creed: Valhalla, the minimum FPS sees a 

↑ Assassin’s Creed: Valhalla 1080P FPS Performance (Source: 

↑ Assassin’s Creed: Valhalla 2K FPS Performance (Source: 

Similar to Rainbow Six: Siege, as the resolution increases to 

, the performance differences continue to shrink due to GPU limitations.

↑ Assassin’s Creed: Valhalla 4K FPS Performance (Source: 

Is It Worth Using a Low-End CPU with a High-End GPU?

, then pairing a low-end CPU with a high-end GPU is 

, as the GPU will be the main performance limiter. 

However, if your PC is also used for other tasks like streaming, content creation, or multitasking, a 

For first-time DIY builders, here are commonly recommended CPU and GPU pairings:

highly recommended to balance the performance of both components

 to avoid a low CPU, high GPU situation that can prevent your components from reaching their full potential. Balanced pairings will ensure your parts work synergistically rather than bottlenecking each other.





When building a gaming PC on a tight budget, many players tend to maximize their GPU spending while opting for an entry-level CPU. Is this combination really worth it? Is a GPU the only critical component for a gaming rig? 

Japanese media outlet PC Watch conducted real-world testing using a low-end CPU paired with a high-end GPU, utilizing the i3-12100F and i9-12900KS with an RTX 3080 as their testing platform.



Test Platform





Motherboard: Intel Z690



Memory: DDR5-4800 16GBx2



GPU: NVIDIA GeForce RTX 3080



SSD: M.2 NVMe (PCIe 4.0x4, 1TB)



CPU Cooler: AIO liquid cooler (360mm)



PSU: ATX 1000W (80 PLUS GOLD)



Gaming Benchmark Results





Rainbow Six: Siege

In Rainbow Six: Siege at 1080P with maximum settings, the i9-12900KS delivered 171 FPS higher on average compared to the i3-12100F, representing nearly a 47% increase. This clearly shows that a high-end CPU is necessary to fully unleash the potential of a high-end GPU.





Note: Since the test result images are in Japanese, we have provided a simple English translation for them.





↑ Rainbow Six: Siege 1080P FPS Performance (Source: PC Watch)



At 2K resolution, the performance gap starts to narrow, but there is still an average FPS difference of 17, translating to nearly a 10% performance increase compared to the lower-end CPU.





↑ Rainbow Six: Siege 2K FPS Performance (Source: PC Watch)



When the resolution is increased to 4K, the performance difference between the high-end and low-end CPUs becomes negligible, primarily because the GPU becomes the bottleneck, limiting further FPS gains.





↑ Rainbow Six: Siege 4K FPS Performance (Source: PC Watch)





Note: The test results are from 2022, and Rainbow Six: Siege has now been updated to Rainbow Six: Siege X.







Assassin’s Creed: Valhalla

What about open-world games?

At 1080P, even in Assassin’s Creed: Valhalla, the minimum FPS sees a performance increase of over 30% with the high-end CPU.





↑ Assassin’s Creed: Valhalla 1080P FPS Performance (Source: PC Watch)





↑ Assassin’s Creed: Valhalla 2K FPS Performance (Source: PC Watch)



Similar to Rainbow Six: Siege, as the resolution increases to 2K and 4K, the performance differences continue to shrink due to GPU limitations.





↑ Assassin’s Creed: Valhalla 4K FPS Performance (Source: PC Watch)



Is It Worth Using a Low-End CPU with a High-End GPU?

If your PC is solely for gaming at 4K resolution, then pairing a low-end CPU with a high-end GPU is feasible, as the GPU will be the main performance limiter. 

However, if your PC is also used for other tasks like streaming, content creation, or multitasking, a balanced CPU and GPU pairing is recommended for better overall system performance.



Recommended Pairings

For first-time DIY builders, here are commonly recommended CPU and GPU pairings:



Entry-Level:





Intel: Ultra 5 series CPU + RTX 5060 / 5060 Ti



AMD: Ryzen 5 series CPU + RX 7650 GRE

Mid-Range:





Intel: Ultra 7 series CPU + RTX 5070 / 5070 Ti



AMD: Ryzen 7 series CPU + RX 9060 XT

High-End:





Intel: Ultra 9 series CPU + RTX 5080 / 5090



AMD: Ryzen 9 series CPU + RX 9070 / 9070 XT







Conclusion

When pairing your CPU and GPU, it is highly recommended to balance the performance of both components to avoid a low CPU, high GPU situation that can prevent your components from reaching their full potential. Balanced pairings will ensure your parts work synergistically rather than bottlenecking each other.

Make sure your CPU can fully unleash its performance. As for how it will perform together, let’s break it down for you in one go!

What Happens When You Pair a Low-End CPU with a High-End GPU?

When it comes to the performance of an air cooler, the three most crucial components are the 

. While the fan and platform (Intel or AMD) also play a role, their impact on thermal performance is relatively minor in comparison.

Heat pipes are the backbone of any air cooler’s heat transfer system. The thicker and more numerous the heat pipes, the better the cooling performance.

more and thicker heat pipes = better heat dissipation

The baseplate is the interface between the CPU and the cooler, and it plays a significant role in how effectively heat is transferred. There are three main types of baseplates, ranked from highest to lowest thermal efficiency:

The flattened heat pipes directly contact the CPU surface, minimizing the thermal barrier.

A flat copper plate is used as the base, with heat pipes soldered directly into it for better contact and durability.

This design uses a sealed chamber filled with conductive liquid to evenly distribute heat across the baseplate.

Cooling fins are responsible for dissipating heat into the surrounding air. The more fins and the tighter their spacing, the more efficient the heat dispersion.

Fins are permanently soldered to the heat pipes, resulting in strong structural integrity and excellent heat transfer. Though costlier, it's more durable and effective.

Heat pipes are inserted through stacked metal fins, forming a tower structure. This method is more affordable but depends heavily on manufacturing quality. A precise fit ensures firm contact and better performance, while poor fitting can cause fins to loosen over time and degrade thermal efficiency.

While not as critical, a few additional factors can slightly affect air cooler performance:





When it comes to the performance of an air cooler, the three most crucial components are the heat pipes, baseplate, and cooling fins. While the fan and platform (Intel or AMD) also play a role, their impact on thermal performance is relatively minor in comparison.



Key #1: Heat Pipes

Heat pipes are the backbone of any air cooler’s heat transfer system. The thicker and more numerous the heat pipes, the better the cooling performance.





Pipe Thickness: Most air coolers on the market use 6mm heat pipes, though high-end models may include 8mm pipes for improved heat transfer.



Number of Heat Pipes: Entry-level air coolers typically feature 4 heat pipes, while flagship models often come with 6 or 7 for maximum efficiency.

The basic rule is: more and thicker heat pipes = better heat dissipation.





(darkFlash Darkair Plus CPU Cooler)



Key #2: Baseplate Design

The baseplate is the interface between the CPU and the cooler, and it plays a significant role in how effectively heat is transferred. There are three main types of baseplates, ranked from highest to lowest thermal efficiency:







1. Direct Contact Heat Pipes

The flattened heat pipes directly contact the CPU surface, minimizing the thermal barrier.

Pros:





Cost-effective and budget-friendly



Adequate for mid to low-range CPUs

Cons:





Lower manufacturing precision can lead to poor surface contact



Over time, heat pipe deformation may reduce performance



2. Soldered Copper Base

A flat copper plate is used as the base, with heat pipes soldered directly into it for better contact and durability.

Pros:





High flatness ensures better CPU contact



Durable and long-lasting



Common in mid-to-high-end air coolers

Cons:





More complex manufacturing process



Higher production cost



3. Vapor Chamber (Heat Spreader)

This design uses a sealed chamber filled with conductive liquid to evenly distribute heat across the baseplate.

Pros:





Superior heat conduction



Ideal for high-wattage, high-heat CPUs

Cons:





Expensive to manufacture



Less common and limited model options







Key #3: Cooling Fins

Cooling fins are responsible for dissipating heat into the surrounding air. The more fins and the tighter their spacing, the more efficient the heat dispersion.



Fin Attachment Methods

Reflow Soldering

Fins are permanently soldered to the heat pipes, resulting in strong structural integrity and excellent heat transfer. Though costlier, it's more durable and effective.





(Credit: Tom's Hardware)



Press-Fit (Stacked Fins)

Heat pipes are inserted through stacked metal fins, forming a tower structure. This method is more affordable but depends heavily on manufacturing quality. A precise fit ensures firm contact and better performance, while poor fitting can cause fins to loosen over time and degrade thermal efficiency.





(darkFlash C400 ARGB Air CPU Cooler)



Other Considerations

While not as critical, a few additional factors can slightly affect air cooler performance:





Fan Quality: Higher CFM and static pressure fans can improve airflow through the fins.



CPU Platform: Intel and AMD sockets may have subtle thermal behavior differences.



Case Clearance: Always check your case dimensions to avoid issues with cooler height and side panel clearance.





What Affects Air Cooler Performance? Know the Key Factors Before You Buy!

Top 3 Key Factors That Affect Air Cooler Performance

Whether you're gaming, working, or somewhere in between, you've probably seen “high DPI” as a key selling point on many mice. But is higher always better? The answer depends on how you use your mouse.

In this article, we’ll break down the three most important factors when choosing a mouse: 

, and how they affect real-world use. We'll also show you how two of our darkFlash mouse products—powered by the 

 sensors—are designed for different needs.

 measures how far the cursor moves on screen for every inch your mouse moves physically. The higher the DPI, the faster the cursor moves.

(Mouse DPI of VALORANT pro player f0rsakeN from team Paper Rex)

Higher DPI isn't always better—especially in FPS games. Many pro players prefer low DPI for better aiming control.

 (measured in Hz) tells you how often your mouse reports its position to your PC.

, ensuring low latency performance whether you're playing or working.

(Mouse polling rate of CS2 pro player apEX from team Vitality)

PixArt is the industry leader in mouse sensors. Here’s how three popular sensor models compare:

Perfect for users who switch between work and gaming. It’s affordable, accurate, and responsive enough for casual gameplay while staying comfortable for day-long productivity.

If you play FPS or fast-paced RTS/MOBA games, this is your weapon of choice. The PAW3395 sensor delivers pixel-perfect accuracy, ultra-fast response, and smooth tracking—even during intense flicks or high-speed turns.

Choosing the right mouse isn’t just about DPI. For the best experience, you need the right balance of 

. Whether you're grinding through spreadsheets or climbing the ranks in your favorite shooter, darkFlash has a mouse tailored for your playstyle and workflow.





Whether you're gaming, working, or somewhere in between, you've probably seen “high DPI” as a key selling point on many mice. But is higher always better? The answer depends on how you use your mouse.



In this article, we’ll break down the three most important factors when choosing a mouse: DPI, Polling Rate, and Sensor Type, and how they affect real-world use. We'll also show you how two of our darkFlash mouse products—powered by the PAW3311 and PAW3395 sensors—are designed for different needs.



What Is DPI?

DPI (Dots Per Inch) measures how far the cursor moves on screen for every inch your mouse moves physically. The higher the DPI, the faster the cursor moves.





(Mouse DPI of VALORANT pro player f0rsakeN from team Paper Rex)
(SPECS.GG, VALORANT Masters Toronto)



💡Tip

Higher DPI isn't always better—especially in FPS games. Many pro players prefer low DPI for better aiming control.







What Is Polling Rate?

Polling Rate (measured in Hz) tells you how often your mouse reports its position to your PC.

Both of our mice support 1000Hz polling rate, ensuring low latency performance whether you're playing or working.





(Mouse polling rate of CS2 pro player apEX from team Vitality)
(SPECS.GG, BLAST Austin Major 2025)











Sensor Types: PAW3311 vs 3370 vs 3395

PixArt is the industry leader in mouse sensors. Here’s how three popular sensor models compare:







For Work & Everyday Use darkFlash DFM80 / DFM80 Plus –

Powered by PAW3311





DPI: Adjustable up to 12000



Polling Rate: 1000Hz



Sensor: PixArt PAW3311 (stable & efficient)

Why it’s great:
Perfect for users who switch between work and gaming. It’s affordable, accurate, and responsive enough for casual gameplay while staying comfortable for day-long productivity.







For Competitive Gaming darkFlash DFM80 Pro –

Powered by PAW3395





DPI: Up to 26000



Polling Rate: 1000Hz



Sensor: PixArt PAW3395 (flagship-grade)

Why it’s great:
If you play FPS or fast-paced RTS/MOBA games, this is your weapon of choice. The PAW3395 sensor delivers pixel-perfect accuracy, ultra-fast response, and smooth tracking—even during intense flicks or high-speed turns.







Final Thoughts

Choosing the right mouse isn’t just about DPI. For the best experience, you need the right balance of sensor, DPI, polling rate, and comfort. Whether you're grinding through spreadsheets or climbing the ranks in your favorite shooter, darkFlash has a mouse tailored for your playstyle and workflow.





A practical guide to DPI, polling rate, and sensor types — and how to choose the right mouse for gaming or productivity.

Is Higher DPI Better? Understanding Mouse Sensors & Performance

When you're building your ideal PC workspace, there's one classic question that often comes up: “Should I place my PC case on the desk or on the floor?”

This decision isn't just about aesthetics — it can directly impact your system’s airflow, dust intake, accessibility, safety, and overall user experience. As a brand specializing in PC cases and cooling solutions, darkFlash is here to break it down for you from a technical and practical perspective.

🟢 Pros of Placing Your PC Case on the Desk

Desks are typically cleaner than floors, making your system less likely to suck in dust. This helps extend the life of fans, power supplies, and other hardware components.

Air circulation is generally better on top of a desk, especially compared to corners or under-furniture spaces on the floor. With darkFlash’s high-airflow cases and fans, you’ll see improved thermal performance when placed on a desk.

Power buttons, USB ports, and audio jacks are right within reach — no need to bend down or stretch just to plug in a flash drive or headphones.

If you're using a darkFlash case with RGB lighting, placing it on your desk allows you to fully showcase your build’s style and lighting effects. It becomes part of your room's aesthetic, not something hidden by your feet.

If your desk is already limited in space, a large case could interfere with your monitor, keyboard, or mouse area.

Being closer to your ears, any noise from the case — especially from high-RPM fans or larger air coolers — will be more noticeable and could become distracting.

Pros of Placing Your PC Case on the Floor

Perfect for users working with a smaller desk, leaving more surface area for your monitor, notebook, or other peripherals.

If you prefer a minimal or clean setup look, keeping the case off the desk helps reduce visual clutter.

PCs on the floor are more exposed to dust — especially in rooms with carpets, pet hair, or humidity — increasing the need for regular cleaning and maintenance.

Floor areas can often be warmer, more enclosed, and lack airflow, reducing cooling efficiency — especially if the PC is tucked into a tight corner.

Reaching power buttons, USB ports, or upgrading components becomes a hassle when you have to bend or kneel each time.

If you're using a tempered glass side panel PC case, we recommend placing it on the desk to fully enjoy the benefits of our airflow design and RGB lighting aesthetics.

However, if space limitations require you to place your case on the floor, we highly suggest using a 

, wooden board, or a small wheeled cart to raise the case off the ground. This reduces dust intake, avoids moisture exposure, and improves overall airflow.





When you're building your ideal PC workspace, there's one classic question that often comes up: “Should I place my PC case on the desk or on the floor?”



This decision isn't just about aesthetics — it can directly impact your system’s airflow, dust intake, accessibility, safety, and overall user experience. As a brand specializing in PC cases and cooling solutions, darkFlash is here to break it down for you from a technical and practical perspective.



🟢 Pros of Placing Your PC Case on the Desk

Less Dust Buildup

Desks are typically cleaner than floors, making your system less likely to suck in dust. This helps extend the life of fans, power supplies, and other hardware components.



Better Cooling Performance

Air circulation is generally better on top of a desk, especially compared to corners or under-furniture spaces on the floor. With darkFlash’s high-airflow cases and fans, you’ll see improved thermal performance when placed on a desk.



Easy Access to Ports and Buttons

Power buttons, USB ports, and audio jacks are right within reach — no need to bend down or stretch just to plug in a flash drive or headphones.







Show Off Your Setup

If you're using a darkFlash case with RGB lighting, placing it on your desk allows you to fully showcase your build’s style and lighting effects. It becomes part of your room's aesthetic, not something hidden by your feet.



🔴 Cons of Desk Placement

Takes Up Desk Space

If your desk is already limited in space, a large case could interfere with your monitor, keyboard, or mouse area.







Potential Noise Issues

Being closer to your ears, any noise from the case — especially from high-RPM fans or larger air coolers — will be more noticeable and could become distracting.



🟢 Pros of Placing Your PC Case on the Floor

Frees Up Desk Space

Perfect for users working with a smaller desk, leaving more surface area for your monitor, notebook, or other peripherals.







Cleaner Desk Aesthetics

If you prefer a minimal or clean setup look, keeping the case off the desk helps reduce visual clutter.



🔴 Cons of Floor Placement

Higher Dust Exposure

PCs on the floor are more exposed to dust — especially in rooms with carpets, pet hair, or humidity — increasing the need for regular cleaning and maintenance.







Less Efficient Cooling

Floor areas can often be warmer, more enclosed, and lack airflow, reducing cooling efficiency — especially if the PC is tucked into a tight corner.



Harder to Access and Maintain

Reaching power buttons, USB ports, or upgrading components becomes a hassle when you have to bend or kneel each time.



Recommendation

If you're using a tempered glass side panel PC case, we recommend placing it on the desk to fully enjoy the benefits of our airflow design and RGB lighting aesthetics.







However, if space limitations require you to place your case on the floor, we highly suggest using a PC tower stand, wooden board, or a small wheeled cart to raise the case off the ground. This reduces dust intake, avoids moisture exposure, and improves overall airflow.





Maximize airflow, minimize dust — the science behind where you place your PC case.

Should You Place Your PC Case on the Desk or the Floor?

When your CPU is under heavy load, temperature spikes are inevitable. While traditional air coolers are budget-friendly, they often struggle to keep up with high-performance processors. That’s where liquid coolers come in — the go-to choice for gamers and power users alike.

But have you ever wondered what a liquid cooler actually is, and why it outperforms traditional air cooling systems?

A liquid cooler is a closed-loop system that circulates coolant to absorb and transfer heat away from the CPU. The coolant carries the heat to a radiator, where it's released into the air with the help of fans — all while maintaining high efficiency and low noise levels.

Liquid has a much higher thermal conductivity than air, allowing it to draw heat away from the CPU faster. This is especially beneficial for high-end CPUs or overclocked systems that generate a lot of heat.

Since liquid cooling is more efficient, fans don’t need to spin at high speeds to keep temperatures low. As a result, the system stays quieter during operation.

Liquid coolers often have a cleaner, more compact design compared to bulky air coolers. With modern additions like built-in screens on the water block and RGB fans, they add visual appeal and are perfect for gaming or showcase builds.

Liquid coolers can keep temperatures low even under extended high workloads, reducing the risk of thermal throttling and ensuring better system stability and performance over time.

Who Should Consider Getting a Liquid Cooler?

If you're running a top-tier processor, maintaining stable output and avoiding heat damage is key. A liquid cooler helps efficiently remove excess heat, keeping your CPU at safe operating temperatures.

Enthusiasts with Basic PC Hardware Knowledge

While liquid coolers offer powerful performance, they do come with a limited lifespan (typically 5 to 8 years due to the use of coolant). Once the warranty ends, it's recommended to replace the cooler — making it slightly more maintenance-intensive than air coolers.

Liquid coolers now come in all kinds of designs, from minimalist to flashy. Some even include customizable screens on the water block. They’ve evolved from simple cooling tools into centerpiece components of high-end custom PC builds.





When your CPU is under heavy load, temperature spikes are inevitable. While traditional air coolers are budget-friendly, they often struggle to keep up with high-performance processors. That’s where liquid coolers come in — the go-to choice for gamers and power users alike.

But have you ever wondered what a liquid cooler actually is, and why it outperforms traditional air cooling systems?



What Is a Liquid Cooler?

A liquid cooler is a closed-loop system that circulates coolant to absorb and transfer heat away from the CPU. The coolant carries the heat to a radiator, where it's released into the air with the help of fans — all while maintaining high efficiency and low noise levels.







How Does a Liquid Cooler Work?





Water Block (CPU Block)
Mounted directly on the CPU, the water block has a thermal metal base that makes contact with the CPU and coolant. Thermal paste is applied to enhance heat transfer from the CPU to the block.



Pump
The pump keeps the coolant circulating through the system.



Radiator
The heated coolant flows into the radiator, where large surface-area fins dissipate the heat.



Fans
Attached to the radiator, fans help expel the hot air from the case quickly and efficiently.





(Liquid Cooling, intel)



Advantages of Liquid Coolers

Superior Cooling Performance

Liquid has a much higher thermal conductivity than air, allowing it to draw heat away from the CPU faster. This is especially beneficial for high-end CPUs or overclocked systems that generate a lot of heat.







Quieter Operation

Since liquid cooling is more efficient, fans don’t need to spin at high speeds to keep temperatures low. As a result, the system stays quieter during operation.







Sleek and Stylish Aesthetics

Liquid coolers often have a cleaner, more compact design compared to bulky air coolers. With modern additions like built-in screens on the water block and RGB fans, they add visual appeal and are perfect for gaming or showcase builds.







Stable Long-Term Performance

Liquid coolers can keep temperatures low even under extended high workloads, reducing the risk of thermal throttling and ensuring better system stability and performance over time.



Who Should Consider Getting a Liquid Cooler?

Users with High-End CPUs

If you're running a top-tier processor, maintaining stable output and avoiding heat damage is key. A liquid cooler helps efficiently remove excess heat, keeping your CPU at safe operating temperatures.







Enthusiasts with Basic PC Hardware Knowledge

While liquid coolers offer powerful performance, they do come with a limited lifespan (typically 5 to 8 years due to the use of coolant). Once the warranty ends, it's recommended to replace the cooler — making it slightly more maintenance-intensive than air coolers.



Users Who Value Aesthetic Builds

Liquid coolers now come in all kinds of designs, from minimalist to flashy. Some even include customizable screens on the water block. They’ve evolved from simple cooling tools into centerpiece components of high-end custom PC builds.





Understand how liquid coolers work — and find out if they're right for you!

Everything You Need to Know About How Liquid Coolers Work

The two major GPU manufacturers both released their next-generation graphics cards in 2025, along with their latest AI-based image upscaling technologies — 

 are advanced AI-based image upscaling technologies designed to boost gaming performance while preserving visual quality.

These technologies allow games to be rendered at a lower resolution internally and then upscaled to higher resolutions using artificial intelligence. The result is higher frame rates and smoother gameplay — without significantly sacrificing image clarity.

FSR 4 is AMD’s first version to adopt machine learning techniques, likely using convolutional neural networks (CNNs) to enhance image quality.

It upscales lower-resolution frames to higher resolutions and can generate intermediate frames to increase frame rate.

FSR 4 AI-Enhanced Upscaling plus Frame Generation

FSR 4 not only upscales low-resolution images to high resolution but also inserts intermediate frames to boost frame rates.

Offers multiple quality presets — Performance, Balanced, and Quality — to give users control over performance vs. image clarity.

, with AMD aiming to reach over 75 supported titles by the end of 2025.

DLSS 4 uses NVIDIA’s advanced deep learning model, powered by Tensor Cores, which are dedicated AI processing units on RTX 50 series GPUs.

One of DLSS 4’s biggest strengths is its ability to generate entirely new frames, dramatically increasing FPS without overloading the GPU.

DLSS 4 works with NVIDIA Reflex to reduce latency, keeping gameplay responsive even at high frame rates.

, making it more broadly available than FSR 4.

As FSR continues to evolve and potentially adds multi-frame generation in future updates, the gap between AMD and NVIDIA is narrowing — making this an exciting time for PC gamers and developers alike.





The two major GPU manufacturers both released their next-generation graphics cards in 2025, along with their latest AI-based image upscaling technologies — FSR 4 and DLSS 4.



FSR 4 (FidelityFX Super Resolution 4) by AMD and DLSS 4 (Deep Learning Super Sampling 4) by NVIDIA are advanced AI-based image upscaling technologies designed to boost gaming performance while preserving visual quality.







These technologies allow games to be rendered at a lower resolution internally and then upscaled to higher resolutions using artificial intelligence. The result is higher frame rates and smoother gameplay — without significantly sacrificing image clarity.



FSR 4 – AMD’s Approach







Machine Learning Upgrade

FSR 4 is AMD’s first version to adopt machine learning techniques, likely using convolutional neural networks (CNNs) to enhance image quality.







Upscaling + Frame Interpolation

It upscales lower-resolution frames to higher resolutions and can generate intermediate frames to increase frame rate.



FSR 4 AI-Enhanced Upscaling plus Frame Generation

FSR 4 not only upscales low-resolution images to high resolution but also inserts intermediate frames to boost frame rates.







Modes

Offers multiple quality presets — Performance, Balanced, and Quality — to give users control over performance vs. image clarity.







Hardware Support

Currently limited to AMD’s Radeon RX 9000 series.



Game Support

Works only with games that support FSR 3.1, with AMD aiming to reach over 75 supported titles by the end of 2025.







DLSS 4 – NVIDIA’s Latest Evolution







Deep Learning Core

DLSS 4 uses NVIDIA’s advanced deep learning model, powered by Tensor Cores, which are dedicated AI processing units on RTX 50 series GPUs.



Multi-Frame Generation

One of DLSS 4’s biggest strengths is its ability to generate entirely new frames, dramatically increasing FPS without overloading the GPU.







Reflex Integration

DLSS 4 works with NVIDIA Reflex to reduce latency, keeping gameplay responsive even at high frame rates.







Wider Adoption

Already supported by over 100 games, making it more broadly available than FSR 4.



Key Differences at a Glance

As FSR continues to evolve and potentially adds multi-frame generation in future updates, the gap between AMD and NVIDIA is narrowing — making this an exciting time for PC gamers and developers alike.





AI-based image upscaling technologies developed by AMD and NVIDIA to improve gaming performance while maintaining image quality close to native resolution.

FSR 4 vs. DLSS 4 - AI-based Image Upscaling Technology

Most motherboards on the market come with four RAM slots, but that doesn't mean filling all four is the best option. The optimal number of RAM sticks depends on the balance between stability and performance you're aiming for.

Recommended Setup: Two Sticks in Dual-Channel

If your motherboard has four slots, the best configuration is usually 

While filling all four slots might look visually pleasing, it doesn’t necessarily mean better performance—and may even cause problems:

Key Things to Keep in Mind When Installing RAM:

To maximize performance, install the RAM in the 

Mixing RAM sticks with different brands or frequencies can lead to compatibility issues or prevent your system from booting properly.





Most motherboards on the market come with four RAM slots, but that doesn't mean filling all four is the best option. The optimal number of RAM sticks depends on the balance between stability and performance you're aiming for.



Recommended Setup: Two Sticks in Dual-Channel

If your motherboard has four slots, the best configuration is usually two RAM sticks. Here’s why:





Maximum RAM performance: Two sticks allow for dual-channel memory, significantly boosting speed compared to a single stick.



Faster boot times: With only two sticks, the system performs fewer checks during startup.



Dual-channel advantages: The CPU can access two RAM modules simultaneously, increasing data transfer speed dramatically.



Room for future upgrades: You still have two empty slots for easy expansion down the line.







What Happens If You Use Four Sticks?

While filling all four slots might look visually pleasing, it doesn’t necessarily mean better performance—and may even cause problems:





Slower boot times: The system takes longer to check all four modules during startup.



Compatibility issues: All four sticks must have identical specs (capacity, speed, etc.) or performance could suffer.



Reduced stability: Due to motherboard wiring design, having four sticks can cause latency issues that affect performance and stability.







Key Things to Keep in Mind When Installing RAM:

1. Correct Slot Placement

To maximize performance, install the RAM in the 2nd and 4th slots from the left (usually labeled DIMM A2 and B2).







2. Avoid Mixing Brands or Speeds

Mixing RAM sticks with different brands or frequencies can lead to compatibility issues or prevent your system from booting properly.





Here's what you need to know about how many RAM sticks to install for optimal performance — and key tips to watch out for.

RAM Demystified: How Many Sticks Are Best for Your PC?

When manufacturers produce keyboards, the mainstream keycap production methods currently include laser engraving, dye-sublimation, and double-shot molding. So, what are the differences between them?

 Uses a laser to etch onto the surface of pre-made keycaps.

 Budget keyboards, office membrane keyboards

 Uses high heat to vaporize dye, which then penetrates the PBT keycap material.

 Mid-range keyboards, PBT keycap keyboards

 Commonly known as molded keycaps, where two types of plastic are injected together to form a single piece. The legend is a separate colored plastic, not printed or engraved.

 High-end keyboards, backlit gaming keyboards

Affordable Double-Shot Keyboards – GD Series Mechanical Keyboards

 mechanical keyboards from darkFlash offer top-tier PBT material and premium double-shot molded keycaps. Who says a budget-friendly keyboard can’t also be durable? On top of that, the GD Series features both 2.4G wireless and wired connections. One keyboard is all you need for both work and play.





When manufacturers produce keyboards, the mainstream keycap production methods currently include laser engraving, dye-sublimation, and double-shot molding. So, what are the differences between them?



Production Method｜Laser Engraving

Process: Uses a laser to etch onto the surface of pre-made keycaps.

Pros of Laser Engraving:





Lower price point and shorter production time



Low technical barrier; users can pay extra to have laser engraving added after purchase

Cons of Laser Engraving:





Legends may fade after extended use



Engraved areas can feel rough to the touch



Light-colored symbols make it harder to use in low-light conditions

Typical Usage: Budget keyboards, office membrane keyboards







Production Method｜Dye-Sublimation

Process: Uses high heat to vaporize dye, which then penetrates the PBT keycap material.

Pros of Dye-Sublimation





Finer and more delicate font appearance



Mainly used with PBT keycaps, which retain their durability, resistance to wear, and oil resistance

Cons of Dye-Sublimation





Cannot be used for transparent keycaps



Less effective on dark-colored keycaps

Typical Usage: Mid-range keyboards, PBT keycap keyboards







Production Method｜Double-Shot Molding

Process: Commonly known as molded keycaps, where two types of plastic are injected together to form a single piece. The legend is a separate colored plastic, not printed or engraved.

Pros of Double-Shot Molding





Legends don’t wear off over time



Best color and backlight compatibility



Premium production method that results in precise and durable keycaps

Cons of Double-Shot Molding





Requires custom molds, which increases development cost



Higher product price

Typical Usage: High-end keyboards, backlit gaming keyboards







Affordable Double-Shot Keyboards – GD Series Mechanical Keyboards



The GD Series mechanical keyboards from darkFlash offer top-tier PBT material and premium double-shot molded keycaps. Who says a budget-friendly keyboard can’t also be durable? On top of that, the GD Series features both 2.4G wireless and wired connections. One keyboard is all you need for both work and play.





Keycap manufacturing processes are generally divided into three types: laser engraving, dye sublimation, and double-shot molding.

Keycap Craftsmanship Revealed: Laser Engraving, Dye Sublimation, and Double-Shot Molding

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.