5 Best Radiator Fans You Can Buy Today for Your Computer

black computer case without sidewalls

5 Best Radiator Fans You Can Buy Today for Your Computer

Key Points

  • The Phanteks T30-120 is our pick for the best radiator fan overall. Its three different modes, quiet noise level, and affordable price make it a great pick for practically any build.
  • Radiator fans help keep the most vital components of your PC from overheating, helping to prevent serious damage or performance issues in the process.
  • Many radiator fans rely on cool water to keep the CPU and GPU’s temperatures under control.
  • For high-performance computers, two or three fans may be necessary for optimal cooling.
  • Identify compatibility, assess airflow and static pressure, and review noise levels when picking the best radiator fan for your particular setup.

Radiator fans play a crucial role in keeping our PC cool and running smoothly. They exist to dissipate heat efficiently, ensuring our CPUs and GPUs perform optimally. However, with a wide array of options available in the market today, finding the best radiator fans can be a daunting task. Let’s explore some of the top choices available, considering factors like performance, noise levels, and durability in our decision. Whether you’re a gaming enthusiast, a content creator, or a casual PC user, our selection aims to cater to a diverse range of needs and preferences.

The following five products top our list of the best radiator fans you can buy today for your computer. From the best option overall to the best budget option and beyond, these five picks should provide you and your computer with exactly what you’re looking for. No matter your specific needs, one of these five products should have you covered. Let’s get into our top picks below.

What Is a Radiator Fan?

best pc fans
Some radiator fans utilize LED lighting for a more unique aesthetic.


A radiator fan is a vital cooling component in any PC build. In short, it helps prevent overheating by drawing cooler air from surrounding areas and pushing it over the components prone to overheating. In most builds, this will be the central processing unit (CPU) and graphics processing unit (GPU). These components work quite intensely, which generates lots of heat as a result. If not properly cooled, this excess heat can damage the sensitive electronic components — slowing down the computer’s performance in the process.

Radiator fans work by directing cool air over a metal heat sink, which absorbs excess heat. As the cool air passes over the heat sink, it transfers the heat away from the vital components and sends it out of the computer case entirely. The radiator fan’s rotation creates cool airflow, which further accelerates the cooling process. In some cases, high-performance computers require two or more fans to ensure effective cooling throughout the computer case. It also helps to invest in a computer case with vents or grilles to allow air to flow in and out more freely.

Without the radiator fan, the computer would have to rely solely on passive cooling methods. While effective for some builds, a passive cooling system alone might not be enough to keep the computer cool during more demanding tasks (or in warm environments, for that matter). This could lead to a higher chance of overheating. Consequently, the risk of damaging the hardware increases. That’s why it’s so important to rely on the best radiator fans you can buy today. Without one, your PC build may be at serious risk of overheating.

Best Radiator Fan Overall: Phanteks T30-120

Best Overall
Phanteks T30-120 Fan, Black/Grey
  • Max RPM: 3000
  • Made of LCP for enhanced durability
  • Features Hybrid, Performance, and Advanced modes
  • Package includes 130mm cable and 500mm extension cable
  • Warranty: 6 years
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12/07/2023 08:07 am GMT

The Phanteks T30-120 Fan stands out as the best radiator fan overall for several reasons. Firstly, its construction from reinforced liquid crystal polymer (LCP) materials ensures remarkable rigidity and durability. This fan is also extremely versatile, offering three fan profiles to choose from: Silent, Balanced, and Extreme Performance Mode. Additionally, it boasts a wide RPM range from 0 to 3000 RPM that users can fine-tune to their specific needs. Best of all, this fan is built to withstand the test of time with an impressive MTTF (Mean Time to Failure) of 150,000 hours.

Six-year warrantyYour build may require more than one
Three modes for silence or performance needsExtreme Performance Mode is quite loud

Check out the Phanteks T30-120 Fan on Amazon.

Best Budget Radiator Fan: Noctua NF-P12 redux-1700 PWM

Budget Option
Noctua NF-P12 Cooling Fan
  • Size: 120mm
  • Max RPM: 1700
  • Connector type: 4-pin
  • Features automatic motherboard based fan speed control
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12/08/2023 05:09 am GMT

The Noctua NF-P12 radiator fan offers high-performance cooling without high prices to match. Designed for pressure-demanding applications, this particular fan uses a pressure-optimized nine-blade design to ensure outstanding airflow and pressure. The fan operates at a maximum speed of 1700RPM to keep its noise level below 25.1dBA. Plus, the fan utilizes SSO-bearing technology that combines hydrodynamic bearing with an additional magnet for silent operation and exceptional long-term stability. This boosts its mean time to failure (MTTF) rating of over 150,000 hours.

MTTF of 150,000+ hoursSome users experience a quiet humming sound
Priced under $16Tough installation

Check the Noctua NF-P12 radiator fan out on Amazon.

Best Quiet Radiator Fan: Noctua NF-A12x25 PWM

Super Quiet
Noctua NF-A12x25 PWM Premium Quiet Fan
  • Size:120mm
  • Connector type: 4-pin
  • Max RPM: 2000
  • Max noise: 22.6dB(A)
  • Includes swappable anti-vibration gaskets in 7 colors
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12/08/2023 06:05 pm GMT

The Noctua NF-A12x25 radiator fan is the best quiet fan you can buy today. It combines a maximum rotational speed of 2000RPM with a noise level of only 22.6dBA, ensuring you get the performance you need at a fraction of the noise level. It’s a premium quiet fan at an affordable price, designed for optimum performance with only the best materials. The fan’s next-gen A-series design combines high airflow and high static pressure, making it ideal for all sorts of uses. All in all, its state-of-the-art frame, Flow Acceleration Channels, and 0.5mm tip clearance make it the best fan of its kind.

Maximum RPM of 2,000Quiet fans may not be powerful enough to cool
Noise level tops out under 23dBASome users complain about receiving used fans

Check out the Noctua NF-A12x25 radiator fan on Amazon.

Best Dual Radiator Fan: ID-COOLING FROSTFLOW X 240

  • Size: 120mm (x2 fans)
  • Max RPM: 2500
  • Features LED lighting (white) built in
  • Connector type: 2-pin
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12/07/2023 08:16 am GMT

The ID-COOLING FROSTFLOW X 240 fan is equipped with two 120mm fans, ensuring excellent heat transfer and a more efficient cooling performance overall. Plus, the cooler is compatible with various sockets, making it suitable for a wide range of desktop systems. The white LED lighting on the pump head also adds a stylish touch, enhancing the aesthetics of your PC build with ease. The FROSTFLOW X 240 also features a double-layered PTFE with fine nylon mesh sleeves, enhancing the durability of the rubber tubing and protecting against mishandling.

White LEDs blend in with any buildSome face difficulty with installation
Highly compatibleCan run a little loud

Check out the ID-COOLING FROSTFLOW X 240 fan on Amazon.

Best Triple Radiator Fan: Corsair iCUE H150i Elite CAPELLIX XT

Corsair iCUE H150i Elite CAPELLIX XT Liquid CPU Cooler – Black
  • Size: 120mm (x3 fans)
  • Max RPM: 2100
  • Max noise: 34.1dBa
  • Features RGB LED lighting
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12/07/2023 03:13 pm GMT

The CORSAIR iCUE H150i ELITE CAPELLIX XT is one of the very best triple radiator fans around. It delivers powerful, high-performance cooling for the latest Intel or AMD CPUs, boasting a 360mm radiator with three 120mm fans, a copper cold plate, and an efficient pump head adorned with stunning CAPELLIX LEDs. Despite having three fans, the CORSAIR iCUE H150i ELITE CAPELLIX XT still provides impressive low-noise airflow. Mach fan is capable of reaching speeds of up to 2,100RPM, all while keeping the noise level below 35dBA.

More than 30 LEDsVery expensive
Offers Zero RPM ModeSome have experienced pump failure

Check out the CORSAIR iCUE H150i ELITE CAPELLIX XT on Amazon.

How to Pick the Best Radiator Fans: Step by Step

PC case with fans and LED lighting.
Choosing the right radiator fan comes down to a few key factors.

©Gabriele Maltinti/Shutterstock.com

Choosing the best radiator fan for your computer is essential to ensure efficient cooling and optimal performance. To that end, selecting the best radiator fan involves three key steps: identifying compatibility with your computer’s case and motherboard, assessing airflow and static pressure ratings, and reviewing noise levels for a balanced and effective cooling solution. Following these steps will help you find a fan that meets your requirements and keeps your computer running smoothly and quietly. Let’s break down these three simple steps below.

  • Identify compatibility
  • Assess airflow and static pressure
  • Review noise levels

Identify Compatibility

Check the specifications of your computer case and motherboard to determine the radiator fan size and connector type they support. Two of the most common fan sizes are 120mm and 140mm, but you may need to double-check to make sure. Ensure that the fan’s connector matches your motherboard’s specifications, as well.

Assess Airflow and Static Pressure

After identifying compatibility, consider the fan’s airflow and static pressure ratings. Airflow is crucial for overall cooling. Further, static pressure is important if you’re using the fan with a heatsink. As a rule, fans with higher static pressure perform better in restrictive environments.

Review Noise Levels

Lastly, look for the fan’s noise level rating. They typically display this on the box or in the product description in decibels (dB). Lower dB ratings mean quieter operation, which is beneficial if you prefer a quieter system. The ideal option is one with good performance and a lower noise rating.

What to Know Before Buying a Radiator Fan

Water Liquid Cooling Computer
Many radiators utilize liquid cooling to keep internal temperatures low.


Before choosing the best radiator fan for your computer, there are some essential things to consider. First, follow the steps above to check compatibility, assess airflow and static pressure, and review noise levels. Next, think about the specific cooling requirements of your computer’s components. If you have powerful processors or graphics cards that generate a lot of heat, you’ll need a fan (or fans) with higher airflow to keep them cool. Additionally, if you plan to use the fan with a heatsink, you should prioritize fans with higher static pressure to push air through tight spaces efficiently.

Also, consider that some fans come with adjustable speeds or PWM control, allowing you to fine-tune cooling and noise levels based on your needs. This could help you ensure your radiator fan stays quiet without sacrificing cooling power. Reviews and ratings can offer more insight into a specific fan’s longevity and reliability. Lastly, set a budget and stick to it. Find a fan that provides a good balance between cost and performance. Considering each one of these factors will help you pick the best radiator fan for your computer.

Using a Radiator Fan: What It’s Like

Using a radiator fan for your computer is sort of like installing a dedicated air conditioning system to keep your machine running smoothly. As the radiator fan starts spinning and draws in cool air from outside the case, the fan then directs this cool air over the heat sink and cools off your CPU and GPU to keep them at safe temperatures. 

This consistent airflow from the radiator fan keeps things nice and chilly inside the computer case. The continuous cooling process ensures that your computer’s critical components stay within safe temperature limits. This also prevents overheating issues that could lead to performance problems or even hardware damage.

During particularly intense tasks (such as gaming or video editing), the radiator fan works even harder to maintain the optimal temperature. You might notice the fan spinning faster, resulting in a slight increase in noise. However, many modern fans are designed to be quieter — even at higher speeds.

Keep in mind that regular maintenance is essential to keep the radiator fan performing well. Dust and debris can accumulate on the fan blades and heat sink, reducing airflow and cooling efficiency. Cleaning the fan periodically helps to maintain its effectiveness. Overall, using a radiator fan for your computer ensures that your system runs cooler, quieter, and more reliably.

Summary Table

RankRadiator FanProsCons
#1Phanteks T30-120Six-year warranty, Three modes for silence or performance needsYour build may require more than one, Extreme Performance Mode is quite loud
#2Noctua NF-P12 redux-1700 PWMMTTF of 150,000+ hours, Priced under $16Some users experience a quiet humming sound, Tough installation
#3Noctua NF-A12x25 PWMMaximum RPM of 2,000, Noise level tops out under 23dBAQuiet fans may not be powerful enough to cool, Some users complain about receiving used fans
#4ID-COOLING FROSTFLOW X 240White LEDs blend in with any build, Highly compatibleSome face difficulty with installation, Can run a little loud
#5Corsair iCUE H150i Elite CAPELLIX XTMore than 30 LEDs, Offers Zero RPM ModeVery expensive, Some have experienced pump failure

Frequently Asked Questions

What is the purpose of a radiator fan for a computer?

Radiator fans are crucial for cooling the CPU or GPU, dissipating excess heat to prevent overheating. They ensure stable and optimal performance, prolonging the lifespan of computer components.

What size radiator fan should I get for my computer?

The size of the radiator fan depends on the available space in your PC case. Common sizes are 120mm and 140mm, but larger cases may accommodate 240mm, 280mm, or even 360mm fans for increased cooling capacity.

What does PWM control mean for radiator fans?

PWM (Pulse Width Modulation) control allows the fan speed to be adjusted automatically based on the system’s temperature. It ensures quieter operation at lower temperatures and ramps up the speed when needed for more efficient cooling.

How do I make my radiator fan more quiet?

For quiet radiator fans, opt for products with lower noise levels (measured in dB). Additionally, check if your fan supports Zero RPM Mode, which stops the fan at low temperatures, further minimizing noise. Proper cable management and noise-reducing rubber pads can also cut down on vibration noise.

Can you use radiator fans for other purposes in your PC?

Yes, radiator fans are versatile and work well for both liquid-cooling and air-cooling case fans. They function just as well as a case fan. You can also use them as intake or exhaust fans to improve overall airflow and maintain a cooler system.

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