11 Best CPU Cooler for i9 9900k in 2021

Looking for the best CPU cooler for i9 9900k? Read this comprehensive guide deeply for best results. I9 9900k is one of the best CPUs launched in 2019 by Intel under their flagship series and later the i9 10700k and i9 10900 launched respectively. Despite being 1st in the series, i9 9900k is still a top choice for Intel Core users. The I9 CPU is powerful enough to operate at the high end with its eight-core processor and frequency boost of 5GHz. This is why it becomes the best choice for gamers.

But when it runs to high-end advanced features, it gets up the heat very fast. To counter this, you must have a good CPU cooler for i9 9900k that improves the gaming experience drastically. CPU coolers are taking care of your CPU when it is outperforming. We compiled the list of best CPU coolers for i9 9900k that are beautiful and powerful also.

No matter how extensively you are using your CPU, you can leave it with these remarkable CPU coolers. This list has everything for everyone. We have the best RGB coolers to the most affordable coolers, from the cheapest to expensive one. So what are you waiting for? Let’s explore the best.

11 Best CPU Cooler for i9 9900k

Image

Product Name

Material

Cooling Method

Compatible Devices

Product Dimensions

Check Price

Noctua NH-D15

Copper & aluminium

Fan

Desktop

5.91 x 6.34 x 6.5 inches

NZXT Kraken X73

Nylon

Fan

Desktop

18.66 x 7.17 x 5.75 inches

be quiet! Dark Rock 4

Copper

Fan

Desktop

3.7 x 5.35 x 6.28 inches

Corsair Hydro Series H150i PRO

Copper

Fan

Desktop

18.66 x 5.75 x 7.28 inches

Cooler Master V8 GTS

Aluminum

Fan

Desktop

6.6 x 5.9 x 6.1 inches

Thermalright Le Grand Macho RT

Aluminum, Copper

Fan

Desktop

5.98 x 5.79 x 6.26 inches

DEEP COOL Assassin III

Aluminum, Copper

Fan

Desktop

8.19 x 72 x 11.57 inches

NZXT Kraken X53 RGB

Nylon

Fan

Desktop

12.09 x 8.35 x 5.39 inches

Cooler Master Hyper 212 RGB 

Metal

Fan

Desktop

6.29 x 3.93 x 9.09 inches

NZXT Kraken Z53 240mm

Metal

Fan

Desktop

12.09 x 8.35 x 5.39 inches

Noctua NH-U9S

Copper & aluminium

Fan

Desktop

3.74 x 3.74 x 4.92 inches

1. Noctua NH-D15

Noctua NH-D15 top-notch CPU cooler for i9 9900k in 2021 with ultimate quiet cooling performance. This is why Noctua NH-D15 is also referred to as the best quiet cooler for i9 9900k with its bloated layout and dual NF-A15 fans. It comes in wide compatibility RAM mode as NH-D15 provides 64mm clearance for elevated memory heatsinks in single fan mode.

It is the composition of different strong materials including Copper for base and heat pipes, aluminum for cooling fins, soldered joints & nickel plating. Noctua NH-D15 is flexible enough to accommodate a large range of processors such as Intel LGA1200, LGA115x (LGA1150, LGA1151, LGA1155, LGA1156), LGA2011, LGA2066, and AMD (AM4, AM3(+), AM2(+), FM1, FM2(+)).

Also Read: Best Motherboard for i7 9700k

Noctua NH-D15 delivers far better cooling options as compared to traditional single tower heatsink. The NH-D15’s fine-tuned six heat pipe dual tower design empowers more surface area, better heat distribution, and superior airflow efficiency in dual fan mode.

Noctua NH-D15

best cpu cooler for i9 9900k

Specifications

  • 4-Pin power connector
  • 12 volts voltage and 1.56 Wattage 
  • Height (without fan): 160 mm
  • Width (without fan): 150 mm
  • Depth (without fan): 135 mm
  • 2x NF-A15 PWM premium fan
  • 2x Low-Noise Adaptor
  • Y-cable
  • NT-H1 high-grade thermal compound
  • SecuFirm2 Mounting Kit
  • Noctua Metal Case-Badge

Pros

  • Large dimensions
  • Extensive cooling fan
  • Effective Noise adapter
  • Operate quietly even at a heavy workload
  • Two 140mm fans on both sides
  • Efficient Airflow 
  • Six heat pumps

Cons

  • Large size could be an irritating point 

2. NZXT Kraken X73

NZXT Kraken X73 is an exceptionally beautiful CPU cooler for i9 9900k. What makes it a beautiful cooler is a 10% bigger LED ring that allows for more vivid RGB. Additionally, A rotatable top acclimates to re-orienting the logo no matter the direction the cooler is installed. It is packed with robust hardware protection, Fine nylon complex sleeves provide durability and protection against mishandling.

Also Read: Best Motherboard for Ryzen 5 2600

Full CAM integration with a user-friendly interface allows you to organize your Kraken’s performance with exactitude, rendering adjustments with the click of a button. Kraken X73 is furnished with Aer P radiator fans that promote a chamfered intake and fluid dynamic bearing that provides quiet performance, durability, and athletic cooling performance.

NZXT Kraken X73

best cpu cooler for i9 9900k

Specifications

  • 120mm Height
  • 120mm Width
  • 26mm depth
  • 12V DC voltage 
  • 3.84W wattage
  • 4-Pin PWM connector 
  • Powered By CAM V4 – RGB Connector
  • 21 dB noise level
  • Fine nylon complex sleeves (added durability)
  • Chamfered intake
  • Aer RGB 2 fans
  • CAM integration 

Pros

  • Compact design
  • Most Beautiful CPU cooler for i9 9900k
  • 2 AER RGB Fans
  • High durability
  • Effective CAM control
  • Effective cooling system
  • Aer P Radiator

Cons

  • Comparatively Louder

3. be quiet! Dark Rock 4

If you have a low budget or are building your median system then be quiet! Dark Rock 4 could be the best choice for you. This cheapest CPU cooler for i9 9900k takes a voltage of 12V was with a 4-Pin Power connector. The Silent Wings 135mm PWM fan features nine airflow-optimized fan blades that rendered it the best CPU cooler for i9 9700k. The six-pole motor is employed for less vibration and a reliable fluid-dynamic bearing.

Dark Rock 4 provides an impressive rating of 200W TDP and achieves low temperatures even during periods of elevated CPU performance. Be quiet would not disappoint you in any dimension, it makes no compromise in silence and performance for overclocked systems and soliciting graphics applications.

Also Read: Best RGB Motherboard

It is efficient Airflow-optimized, wave-contoured cooling fins with little beads on their surfaces boost the air circulation. Dark Rock 4 comes with one pre-installed fan, however, It is also feasible to put in another 120mm fan for even better cooling.

be quiet! Dark Rock 4

best cpu cooler for i9 9900k

Specifications

  • Dimensions: 3.7 x 5.35 x 6.28 inches
  • 12 volts Voltage
  • 135mm PWM fan
  • 200W TDP for low temperature
  • 6mm copper heat pipes
  • Additional 120mm fan
  • 21.4dB at maximum fan speed

Pros

  • Cheapest CPU cooler
  • Six-pole motor for less vibration
  • Durable design
  • Noise Levels: 24 dBa
  • Wave-contoured cooling fins
  • 9 Airflow-optimized fan blades
  • 200W TDP for low temperature
  • Effective heat sinks

Cons

  • Take a lot of time first installation

4. Corsair Hydro Series H150i PRO

The Corsair Hydro Series H150i PRO is a bit expensive but the most versatile and the best CPU cooler for i9 9900k. The CORSAIR Hydro Series H150i PRO is an all-in-one RGB liquid CPU cooler with a 360mm radiator built for low-noise cooling. It has a customizable RGB backlit pump head that stimulates vivid lighting effects to match your build. It has 3 Low-Noise 120mm ML series magnetic Levitation PWM fans that deliver remarkable airflow.

CORSAIR iCUE software permits you to regulate RGB lighting, individual fan speeds, and pump speed while regulating CPU and coolant temperatures, and more. The efficient cooling mode and Zero RPM cooling profile in CORSAIR software allow fans to halt completely at low temperatures, eliminating fan noise.

Corsair Hydro Series H150i PRO

best cpu cooler for i9 9900k

Specifications

  • ‎18.66 / 5.75 / 7.28 inches
  • AIO liquid CPU cooler 
  • Triple 120mm ML Series PWM Fans
  • Water cooling method
  • 360mm radiator
  • Advanced RGB lighting
  • Noise Level: 25 dB
  • Zero RPM mode

Pros

  • Advanced CPU cooler
  • Cool RGB lighting
  • Large radiator
  • Advanced Airflow 
  • Best overclocking design 
  • Automatic fan control

Cons

  • Expensive 

5. Cooler Master V8 GTS

Cooler Master V8 GTS is the best high-performing CPU cooler for i9 9900k. The uniqueness of this cooler is its design. It has one of the beautiful robotic designs and comes with 3.72 wattages. The best CPU cooler for i9 9900k has all-new Horizontal Vapor Chamber technology of Cooler Master minimizes CPU hotspots and dissipates heat evenly to all heat pipes.

Moreover, it is also packed with Triple Tower Heatsink with 8 High-Performance Heat pipes that maximize cooling performance.V8 GTS cover a large spectrum of CPU sockets like Intel CPU Sockets: LGA 2011, 1366, 1156, 1155, 1150, 775 and APU Sockets: FM2, FM1, AM3+, AM3, AM2+, AM2. The RGB provides the aesthetic looks with Dual High Airflow PWM fans and Red LEDs for a contentious look.

Cooler Master V8 GTS

best cpu cooler for i9 9900k

Specifications

  • 4-pin power connector
  • 3.72 wattage
  • 131.6 / 72.5 / 152.3 mm
  • 1 USB 2.0 port
  • 4 direct contact heat pipe
  • Noise level: 36.0dB
  • 2 120mm PWM Fans
  • Compatible with AMD and APU CPUs
  • Triple Tower heat sink

Pros

  • Beautiful robotic design
  • Vapor chamber technology
  • Effective aesthetics 
  • Triple heat sink to maximize cooling performance
  • Efficient Airflow with PWM Fans
  • Universal mounting system
  • Best quiet CPU cooler

Cons

  • Tough to build up/ installation

6. Thermalright Le Grand Macho RT

Le Grand Macho RT is the best CPU Cooler for i9 9900k at a mid-range price but it is not recommended if you are a Ryzen user. It is built with aluminum and copper, although it does not look very attractive yet the low price is worth buying. It has a high-performing cooler fan that efficiently delivers airflow across all components.

Le Grand Macho RT is packed with some rich features like Offset root for promising VGA cards and memory clearance PCI-e and RAM sockets. Competitive cooling with fan up to 300watt thermal design power (TDP) Blacktop to complement build aesthetics Enlarged copper base to ensure 100% contact with all CPUs including Haswell.

Thermalright Le Grand Macho RT

best cpu cooler for i9 9900k

Specifications

  • Dimensions: 150mm / W120mm / H159mm
  • 300 watts wattage TDP
  • Aluminum and Copper
  • 7 6mm Heatpipe
  • PCI-E Memory Socket

Pros

  • Effective Fan Cooling 
  • Promising Airflow
  • A large number of Heatpipes
  • Budget price
  • Controlled Noise level

Cons

  • Hefty Size

7. DEEP COOL Assassin III

DEEPCOOL Assassin III is also a low-budget CPU cooler for i9 9900k with an extended noise level controller. Deep Cool is equipped with effective patented two-layer fan blades that enhance the airflow up to 2. 5m³/minute. This affordable, beautiful, and best CPU cooler for i9 9900k is compatible with a wide range of Processors. It supports Intel LGA2066/2011 v3/2011/1151/1150/1155/1366 and AMD AM4/AM3+/AM3/AM2+/AM2/FM2+/FM2/FM1. The top-notch features include 7 heatpipes, dual 140mm performance fans, 280W TDP, easy installation, custom screwdriver.

DEEP COOL Assassin III

best cpu cooler for i9 9900k

Specifications

  • ‎8.19 / 72 / 11.57 inches
  • 2.52 watts wattage
  • Noise level 34.2 dB
  • 2 140mm fans with PWM
  • Premium twin tower
  • 54mm RAM clearance
  • 2. 5m³/minute Airflow
  • 280W TDP

Pros

  • Easy Installation
  • Sufficient RAM clearance
  • Extended Noise controller
  • Dedicated Airflow
  • Premium Twin Tower 

Cons

  • Difficult to build for novice

8. NZXT Kraken X53 RGB

We already discussed the Kraken CPU coolers, they are best known for their beautiful design and RGB effects. NZXT Kraken X53 RGB is the best CPU cooler for i9 9900k if you love to spend your time with LED colors. With a re-designed cap and larger infinity mirror ring LED, the Kraken X delivers an amazing experience in luminous liquid cooling.

With promising sync for lighting across all NZXT RGB devices, full CAM integration entitles you to regulate your Kraken’s performance with accuracy. The 2 Aer RGB fans feature a winglet-tip fan blade layout, delivering optimal airflow while keeping the fans as quiet as possible.

NZXT Kraken X53 RGB

best cpu cooler for i9 9900k

Specifications

  • ‎12.09 / 8.35 / 5.39 inches
  • 1 240mm RGB fan
  • Aer RGB V2 120mm Radiator Fans
  • Powered by CAM V4
  • Optimal Airflow 
  • 10% bigger LED rings

Pros

  • Easy installation
  • Large RGB fan
  • Wider LED rings
  • Quiet operation 
  • Compatible with Mini-ITX fan
  • Effective RGB system

Cons

  • A single radiator fan is not sufficient

9. Cooler Master Hyper 212 RGB 

You might not say it is the best CPU cooler for i9 9900k but this cheapest Cooler is worth buying if you are facing budget issues. Cooler Master packed with Hyper 212 RGB black edition that offers better installation and considerable performance, easily one of the best air cooling solutions. For effective Airflow, the stacked fin array ensures the least airflow resistance which allows cooler air to flow into the heat sink.

The wired RGB LED Controller allows you for customizable colors and effects with just the touch of a button. Proper heat dissipation is a must for any cooler, It also has 4 Heat Pipes with exclusive direct contact technology that effectively provides excellent heat dissipation. Involuntary fan bracket design makes upgrading and removing the fan a breeze without any difficulty.

Cooler Master Hyper 212 RGB 

best cpu cooler for i9 9900k

Specifications

  • 6.29 / 3.93 / 9.09 inches
  • 4-Pin Power connector
  • Hyper 212 RGB Black Edition
  • RGB LED Controller
  • Noise level: 26.0dB
  • Smart Fan Sensor for jam protection
  • CPU socket support: Intel and AMD
  • 4 Heat pipe

Pros

  • Cheapest cooler
  • Effective RGB controller
  • Smart fan sensor
  • Versatile design 
  • 4 heat pipes
  • Precise Air Flow
  • Stacked fin array for least airflow resistance

Cons

  • Not beginner-friendly 

10. NZXT Kraken Z53 240mm

NZXT Kraken Z53 240mm is the most expensive CPU cooler for i9 9900k but comes with an incredible noise level controller. With a sharp 2.36 inches LCD screen exhibiting 24-bit color that lets users completely customize the look of your CPU cooler with custom images, gifs, or CAM data. All Kraken coolers are equipped with chamfered intake and fluid dynamic bearings and so Z53 does. They perform silent operations, have long-term reliability, and have powerful cooling performance. That’s why we include it in the list of best CPU coolers for i9 9900k.

Kraken makes it a simple installation with a fully programmable display, the pump can be rotated to fit the necessities of your motherboard without affecting the direction of the logo or image.

NZXT Kraken Z53 240mm

best cpu cooler for i9 9900k

Specifications

  • ‎12.09 / 8.35 / 5.39 inches
  • 2.36 inches LCD screen
  • Fluid dynamic bearings
  • Mini-ITX box support
  • 2 Aer P 120mm Radiator Fans
  • CAM software
  • Custom images and gifs

Pros

  • Easy to install
  • Comedian s with LCD screen
  • Support Mini-ITX box
  • Effective cooling performance
  • Silent operation
  • Long term reliability

Cons

  • Less number of heat sinks

11. Noctua NH-U9S

UN-U9S is the low-budget CPU cooler for i9 9900k with a beautifully metal-built stand. The compact and best CPU cooler for i9 9900k is a premium quality quiet CPU cooler in classic 9cm size. The 95x95mm footprint wipes the RAM and PCIe slots on all Intel and most AMD-based mainboards, including micro-ATX and ITX. Noctua NH-U9S, an NF-A9 premium fan, supports automated speed control via PWM for impressive quietness of operation.

To improve cooling effects, a discretionary NF-A9 PWM fan produces a push/pull setup. NH-U9S can be made compatible with the older LGA1366 and LGA775 sockets using the optional NM-I3 mounting gear. However, before purchasing it, make your other components also accommodate it well (this can be done by matching the dimensions).

Noctua NH-U9S

best cpu cooler for i9 9900k

Specifications

  • Height 125 mm / Width 95 mm Depth 68 mm
  • 12 volts voltage
  • 1.2 watts wattage
  • Built with copper and aluminum
  • NF-A9 PWM premium fan
  • Low noise adapter
  • SecuFirm2 mounting kit
  • Flexible rear fan
  • Support LGA1366 and LGA775

Pros

  • Compact design 
  • Automatic fan speed controller
  • Support large range of processors
  • Quiet cooling fans
  • Optional NF-A9 fan
  • Efficient heat dissipation 
  • Easy installation with SecuFirm2 mounting kit
  • Dual fan mode

Cons

  • Users reviewed compatibility issues with AMD ryzen series 

Final Words

We are striving that you have found the best CPU cooler for your i9 9900k. CPUs are the most critical part of a PC system that provides the real power to the PC. To make sure that it runs efficiently over time, you must integrate it with the CPU cooler. CPU coolers cool down their heat when it runs under high loads. You might also notice when the CPU doesn’t have coolers, they crumble fast.

With a cooler, you can easily get rid of these problems. But the selection of CPU coolers could be cumbersome if you don’t know about the coolers and specifications. Our detailed analysis is based on company and experts guides as well as the user’s reviews of who already purchased. Our technical team also put their efforts into compiling this list. It will help you out to select the best CPU cooler for your PC.

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Pankaj Suyal
Pankaj suyal is an Author, Partner, and Backbone of TechoWiki. He has huge experience of Technical Stuffs and Writing. Despite holding a mechanical engineering degree, his passion for writing pushed him to the writing career. Presently, as an Editor, he is also a member of the Technical and Core team of TechoWiki.

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