Best CPU Coolers for i9 9900k (Air and AIO)

Probably the fastest CPU you can find in the market currently, the i9 9900K is a 14nm chip that features 14 threads and 8 cores, meaning this processor is extremely powerful. With this processor, you can achieve higher overclocks for optimized performance while gaming or while running CPU-intensive programs.

One notable thing about this powerful processor, however, is that it runs pretty hot especially under heavy load, which can easily damage it or render your system unstable. As such, you will need to install a CPU cooler that’s compatible with the i9 9900K to regulate the temperatures and maximize its performance.

Though there are dozens of great CPU coolers out there, not every one of them can handle the extra load of this powerful processor. But, there are several CPU coolers that are compatible with the i9 9900K and can efficiently maintain its temperatures within the desired levels.

Whether you’re looking to upgrade your system or you’re just building one from scratch using the i9 9900K, here are some of the best cpu coolers you can choose from.

Summary of the Best Two

After doing extensive research, we choose the Noctua NH-D15 as the best air cooler on our list for the i9 9900K as it features dual fans and massive heatsinks and efficiently supports mid-high overclocks.

For those who opt for a liquid cooler instead, the EVGA CLC 280 is easily the best liquid cooler for an i9 9900K due to its powerful innovative fans that deliver superior cooling performance. It also supports higher overclocks more efficiently so you can achieve maximum performance with your i9 9900K processor.

Comparison Table



Max. Fan Speed

Noise Level

Fan Connector


Noctua NH-D15

9.25 x 11 x 7.5 inches

1500 RPM

24.6 dB

y-cable splitter

6-year warranty

EVGA CLC 280mm

7 x 14 x 7.7 inches

2200 RPM

39.5 dB


5-year warranty

be quiet! Dark Rock Pro 4

5.35 x 5.74 x 64.09 inches

1500 RPM

24.3 dB


3-year warranty

Noctua NH-C14S

4.53 x 5.51 x 6.42 inches

1500 RPM

23.6 dB


6-year warranty

NZXT Kraken X72

15.5 x 1.06 x 4.7 inches

2000 RPM

36 dB

3 way-splitter

6-year warranty

Thermaltake Floe Triple Riing

15.50 x 1.10 x 4.80 inches

1400 RPM

24.7 dB


2-year warranty

Cooler Master Liquid ML360R

15.5 x 4.7 x 1.1 inches

2000 RPM

30 dB


2-year warranty

Corsair H115i RGB Platinum

18.66 x 5.75 x 7.28 inches

2450 RPM

25 dB


5-year warranty

Corsair Hydro Series H150i PRO 360mm

18.66 x 5.75 x 7.28 inches

1600 RPM

25 dB


5-year warranty

Review: 9 Best CPU Cooler for i9-9900k

  1. Noctua NH-D15

Topping our list of the best CPU coolers for i9 9900K, the NH-D15 is one of Noctua’s top seller coolers for its extremely powerful fans and unmatched cooling performance.

This high performance air cooler features two 140mm fans and dual heatsink tower setup, meaning it’s quite bigger than most standard air coolers with a single heatsink.

The NF-A15 PWM dual fans are specially designed to propel air with great pressure to penetrate even small crevices for maximum and efficient cooling of the two massive heat sinks.

Another great thing about this air cooler is its compatibility with high RAM modules, allowing you to install large memory kits on your motherboard while still having it installed. It’s also preferred by many gamers out there for its versatility since it’s compatible with Intel and AMD chips alike.

When it comes to ease of installation, the NH-D15 comes fitted with a mounting system that makes the entire process pretty easy even for novice DIYers.

Overall, the NH-D15 is a durable and powerful CPU cooler that can handle high overclocks, allowing you to maximize your i9 9900K’s performance.

2. EVGA CLC 280mm

Another superb cooling system for your i9 9900k, the EVGA CLC 280mm is a robust and durable liquid cooler that delivers great performance alongside impressive RGB lighting.

To begin with, this liquid cooler features a strong build quality as it’s made with sleeved tubing, which minimizes the chance of leakages while also increasing the cooler’s lifespan. In addition, the cooler’s fans come fitted with Teflon nano bearings that add to its longevity while helping maintain noise levels to a minimum.

The cooler’s base is designed with a copper plate that promotes better heat transfers for enhanced cooling performance. The fans are specially designed to reach top speeds of up to 2200 RPM, providing high air flow rate enough to cool the massive heat sink efficiently.

It is also designed compatible with EVGA’s software suite that allows you to monitor and control the cooler’s fan speed and curve as well as pump speed. From the software, you can also customize the RGB lighting effects to your liking. You also get several handy RGB presets that you can use to help you know the CPU temperature level such as red color for high temperatures.

The fan is also designed to automatically adjust its speed based on the CPU’s temperature, for instance, the fan’s speed will reduce or stop entirely when the CPU is cool.

3. be quiet! Dark Rock Pro 4

Similar to the NH-D15’s build design, the Dark Rock Pro 4 features two incredibly quiet fans and two heatsink towers for efficient cooling.

This cooler has a robust and sleek design that can look great in almost any build. It comes equipped with seven 6mm thick heat pipes made of copper that enable an even and efficient distribution of heat. The cooler’s heat pipes provide ample cooling which makes it a great option for the i9 9900k.

The dual fans’ wings are uniquely designed to offer a smoother and extremely quiet airflow, reaching high static pressure for maximum cooling of the heatsinks. One of the PWM fans is strategically positioned at the center part, which ensures no heat accumulates between the small crevices.

This cooler’s heatsink’s cutout design makes it compatible with various RAM modules, which is important when you want to upgrade your system.

The Dark Rock Pro 4 comes equipped with a mounting kit and screwdriver that makes it quite easy for you to install it on your motherboard.

4. Noctua NH-C14S

An upgraded version of the Noctua’s NH-C14, the NH-C14S features an innovative top-flow design for improved hardware compatibility and better airflow even over the RAM modules.

At 115mm in height, the NH-C14S is much shorter than 140mm or even 120mm tower coolers, something that makes it easily fit most modern PC cases. It boasts a single 140mm PWM fan that rotates at a maximum speed of 1500 RPM for optimum cooling. The fan also comes with a low noise adapter helps the cooler to automatically control the fan speeds and achieve an ultra-quiet operation.

The main highlight of this cooler is the unique position if the fan as it’s nicely placed underneath the cooling fins, allowing for better airflow through the fins. This layout will still allow you to fit standard RAMs below the fan.

Additionally, this air cooler also allows you to install the fan on top of the cooling fins, which increases clearances of RAM modules. This improves its compatibility with different hardware such as taller RAM modules and graphics cards.

The cooler also includes a SecuFirm2 Mounting system that makes installing it pretty easy for you.

5. NZXT Kraken X72

The NZXT Kraken X72 is a high-end 360mm AIO cooler that boasts an innovative RGB design with a vast range of RGB modes.

This enormous cooler is made to offer compatibility with CAM software, which lets you to customize the lighting effects for a fully dynamic experience. Through the CAM software you also can monitor and adjust the cooler’s fan and pump speeds for maximum cooling performance of your i9 9900k.

It also comes equipped with three NZXT’s 120mm PWM fans that can achieve speeds of up to 2000RPMwhile maintaining noise levels to a minimum. The three powerful fans combined generate great air pressure through the radiator, ensuring efficient heat dissipation of CPU heat.

With a 360mm radiator, this AIO cooler provides greater surface area for maximum heat conductivity. The cooler’s pump is quite powerful and can displace more coolant than most standard coolers out there.

The NZXT Kraken X72 also features extended tubing that’s reinforced with nylon sleeves, making it extremely strong and durable.

Overall, this cooler is ideal for large PC cases as well as for overclocking purposes. That being said, it’s a superb cooling system for use with the i9 9900K processor.

6. Thermaltake Floe Triple Riing

Another great AIO cooler on our list for the i9-9900k is the Floe Triple Riing from Thermaltake. This AIO cooler features three powerful 120mm PWM fans with a patented Riing Plus RGB design. There are about twelve RGB LEDs that you can easily and separately control them for a striking lighting effect.

Through the cooler’s RGB software, you can conveniently customize the light modes, colors, and brightness to your liking. You also can adjust the cooler’s fan and pump speeds via the software. The best part is that it supports voice control in both Android and iOS devices.

This outstanding AIO cooler comes armed with a 360mm radiator that delivers great efficiency and performance when it comes to cooling your i9-9900k processor.

This high-performance cooler also features a Waterblock with a copper base plate for enhanced and accelerated heat conductivity. In addition, the sleeved cables add to the coolers’ durability while protecting it from getting damaged.

When it comes to ease of installation, this AIO cooler comes equipped with a mounting system that makes the entire process quite effortless for you.

7. Cooler Master Liquid ML360R

If you want a more budget friendly yet high-performance cooling system for your i9-9900k, then you may consider checking out the CoolerMater Liquid ML360R AIO cooler.

This AIO cooler comes fitted with a massive low resistance 360mm radiator that facilitates for an accelerated heat transfer and enhanced flow rate. It also features dual chamber pump setup for enhanced cooling performance.

The two 120mm fans are uniquely designed to offer a smooth and streamlined airflow with minimal vibration and extremely low noise output.

The extended tubing has a double FEP design that makes it both flexible and extremely durable. The pump is housed in a glass fiber construction protecting it from water and chemical corrosion and oxidation.

Having this AIO cooler for your i9-9900k, you also get up to twelve fully programmable RGB LEDs, which you can easily customize to match your build.

8. Corsair H115i RGB Platinum 

The Corsair H115i is a high-performance AIO CPU cooler with exceptional RGB lighting functionality.

This big AIO cooler features a 280mm radiator that guarantees a higher cooling capacity, which is important for keeping your i9-9900k cool while overclocking.

It also boasts 140mm dual LED fans that work remarkably well in cooling your processor while operating at reduced noise levels. Both fans are rated up to 2000RPM and you can seamlessly adjust their speeds via the provided software to achieve better performance and quiet operation.

The RGB lighting on this cooler is quite amazing and can be customized using the Corsair’s software. The best part is that you can easily create a personalized lighting patterns and effects since the LEDs can be customized separately. You also get to try out the five RGB presets included.

With a PC case that’s large enough to accommodate two 140mm fans, installing this AIO cooler onto your motherboard should be quite easy for you.

9.Corsair Hydro Series H150i PRO 360mm

The Hydro Series H150i PRO is a bigger and better cooling system than the Corsair H115i when it comes to cooling your i9-9900k processor.

With a 360mm radiator and a set of three magnetic levitation 120mm fans, which helps generate greater airflow pressure to efficiently dissipate heat from the radiator. The fans are also made to operate with reduced noise levels even at maximum speeds.

The massive 360mm radiator provides a large surface area for maximum heat transfer, keeping your processor amazingly cool. This cooler’s RGB lighting is aesthetically pleasing and can be customized through the iCUE software from Corsair.

Additionally, you can adjust the speeds for both the fans and the pump using the software to attain the desired temperature levels. There is also a Zero RPM Mode that automatically stops the fan at reduced CPU temperatures.

This AIO cooler is best suited for large PC cases and offers a quite easy installation process.


There you have it. Whether you choose a liquid or air cpu cooler for your i9-9900k, all the cpu coolers on our list have the capability to keep your processor cool throughout.  These cpu coolers, however, have several notable differences which you should consider when you’re shopping for the right one for your system.

Some of the cooler on our list also come with some unique features that make them stand out from the rest such as the Teflon nano bearings that make the EVGA CLC 280mm extremely quiet and durable.

FAQ around cpu coolers for i9 9900k

  • What is the best CPU cooler for overclocking?

There are several great CPU coolers for overclocking including some liquid cooling systems as well as some powerful air coolers such as the Noctua NH-D15. However, the best cpu cooler for overclocking should be compatible with your chipset type, higher TDP rating than that of your processor, and most importantly powerful enough to provide maximum cooling capacity.

  • Does the i9 9900k come with a cooler?

No, the i9 9900k doesn’t include a cooler, which means it can easily overheat under heavy load or when overclocking it. As such, you need to install a quality CPU cooler even while you’re operating at stock speeds to maintain its temperature within the safest range.

  • How hot can the i9 9900k get?

The i9 9900k processor is uniquely designed to tolerate temperatures of up to 100°C. However, operating at such high temperatures may significantly lessen its life. Overheating may also make it to automatically adjust to lower clock speeds to prevent it from getting damaged.

  • Does i9 9900k need thermal paste?

Yes, the i9 9900k will require you to use a quality thermal paste for better thermals while overclocking or even at stock speeds.

Applying a thermal paste helps to completely fill any microgap between the CPU cooler and the processor, allowing for faster and better heat transfer.

Some of the best thermal pastes that you can use include carbon-based thermal pastes or the liquid metal thermal paste.

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