Best Liquid Coolers for i9 9900k Processors

Intel’s i9 9900k is the flagship of the Intel 9th Gen processors and is among the fastest and perfect CPUs for all tech enthusiasts. The i9 9900k is undeniably among the most powerful commercially available CPUs out there. With this powerful CPU, you have the fastest and most updated processor in the market.

Whether you’re a professional or a casual gamer who wants to advance their computer, purchasing an up-to-date processor should be your top priority. In this handy guide, we have reviewed the best liquid coolers for i9 9900k to help maintain the temperature in the best way. Additionally, we’ve listed a few need-to-knows that will help you make a valuable purchase. Let’s dive in!


Does i9 990k Need Liquid Cooling?

This device from Intel is a crucial powerhouse of a CPU. It produces too much power that can lead to overheating. Therefore, you need an effective cooling system to lower the heat level. Ordinary fans may not work well, especially in heavy-duty functioning, and this where liquid cooling comes in handy.

How Hot should my i9 9900k Get?

With similar cooling and power dissipation conditions, the mean package temperature is 57-degrees Celsius for the Intel Core i9-9900k.

Best Liquid Cooler for i9 9900k: Buying Guide

If you’re an overclocker or a professional gamer, you may have a rough idea when purchasing a CPU cooler. However, you need to keep in mind some aspects before adding a cooler to the cart. For beginners, you need to know some technical factors before making a purchase. Here’s a list of a few aspects you need to consider.

Universal CPU Socket

This is a crucial aspect to consider when buying an i9 9900k cooler. You should not opt for a cooler that cannot be attached to a CPU socket. Mostly CPU coolers cannot be attached with normal sockets and modern CPU sockets.

Always go for a cooler that is compatible with a universal CPU socket, which can be installed and attached easily for smooth performance.

Types of CPU Coolers

Your build is incomplete if it’s not installed with the right cooling system. All systems with high specifications need a cooler for outstanding performance. A cooler expels heat out from the crucial components of your build without hurting the hardware.

There are various types of CPU coolers out there.  Here are some coolers that are essential for your build.

  • Liquid CPU Cooler: These are the latest coolers that expel heat from the system through liquids. Systems that do not have a CPU are not recommended to use these coolers. Liquid coolers lead to a noise-free environment without any irritation for the users.
  • Air CPU Cooler: These coolers are designed using special fins to keep the CPU’s temperature at a deficient level. Air CPU coolers are large and don’t fit in many systems.
  • AIO CPU Cooler: This cooler combines all crucial components into one to create an effective cooling system. It comes with tubes, fans, radiator, pump, water block, and fittings in one package.

TDP Rating

Thermal Design Power measures the heat that your CPU will output when in use. A high means that you’ll need a high level of cooling capacity to keep your component cool.

Material Build Quality

If you’re looking for the best cooler for i9 9900k, you should go for one with the best components on the market. Ensure that the build material and build quality used is of high-quality.

Ease of Installation

PC components can be challenging during the installation process; confusing instructions, easy-to-break pieces, and expensive parts make a delicate mix. Look for a component that’s easier to install. The best CPU coolers come with the right instructions and tools to make installation easy and nice.


Before making a purchase, ensure your chosen cooler is compatible with other parts. You may find it hard if it doesn’t work, and you want to return it afterward.


The performance of the CPU cooler is crucial when making a purchase. Some coolers are over-advertised, but in terms of functionality, they fail you. If you buy a cooler without considering its performance, you may be disappointed. A well-performing cooler needs to be decided through research and study.


The design may vary from brand to brand, so you need to determine which design suits your needs. The cooler is specially designed to offer the CPU enough cooling after ultra-high temperature.

Installing Features

You need to decide the type of cooler you need to install without hurting the CPU’s functionality. Otherwise, a faultily installed cooler may cause overheating and shut down your system. The best-installed CPU cooler expels heat out of the system professionally and gently.

Price and Warranty

Most CPUs are costly, so you should have a good budget for a CPU cooler. Some coolers perform better and cost more because they do so, and others perform well with a low price tag. The final buying decision will depend on your budget.

Additionally, you should opt for products that have good warranties from well-known brands. If the product breaks and you want a replacement, you don’t want problems.

Best Liquid Cooler for i9 9900k Reviews

Corsair Hydro Series H75 AIO Liquid CPU Cooler

Corsair Hydro Series H75 AIO Liquid CPU Cooler

Are you looking for the best all-in-one liquid CPU cooler? Look no further! The Corsair Hydro Series H75 AIO Liquid CPU Cooler comes with a 120mm radiator built for reduced CPU cooling. This i9 9900k cooler helps you adjust the fan speed ranging from 600 RPM to 1,900 RPM since it has dual integrated 120mm CORSAIR SP Series PWM fans.

The Corsair Hydro Series comes with a low-noise pump design that offers quiet and efficient cooling. It comes with a white LED-lit pump head that gives the cooler an impressive look.


  • 600 RPM to 1,900 RPM fan speed
  • CORSAIR SP Series PWM fans
  • 120mm high-density radiator
  • White-LED lit pump
  • Braided tubing
  • Modular tool-free mounting bracket


  • High-density slim-radiator
  • Quick and easy installation
  • Efficient and quiet cooling
  • Easy to minimize noise


  • All included screws for fans are too short

Corsair Hydro Series H100i PRO RGB AIO Liquid CPU Cooler

Corsair Hydro Series H100i PRO RGB AIO

This i9 9900k cooler is an all-in-one RGB liquid CPU cooler that offers reduced noise cooling performance thanks to its 240mm radiator. It also has an RGB LED pump head that gives the CPU cooler a bold, stylish look. It comes with two included 120mm ML Series magnetic levitation PMW fans that offer static pressure and great airflow.

The Corsair Hydro Series H100i PRO RGB AIO Liquid CPU Cooler helps you adjust fans’ speed with a broad PWM speed control ranging from 400 RPM to 2400 RPM. With the CORSAIR iCue software, you can easily customize lighting, adjust fans’ speeds, and monitor temperatures.


  • Multicolor RGB lighting
  • 2 low-noise 120mm ML Series magnetic levitation PMW fans
  • CoRSAIR iCue software
  • Zero RPM mode
  • 240mm radiator


  • Advanced RGB lighting
  • Effective fan software control
  • Efficient and quiet
  • Easy to adjust fan and pump speeds
  • Offers incredible airflow and static pressure


  • Worst customer support
  • The pump is loud

NZXT Kraken M22 120mm – RL-KRM22-01

NZXT Kraken M22

The NZXT Kraken M22 120mm – RL-KRM22-01 comes with amazing RGB lighting, which helps brighten the system if you’re using it the whole time. It comes with superior controls; all included in this liquid cooler. It has a CAM software interface that helps you adjust settings for the best performance during intense gaming. What’s more, it has an enhanced design that allows you to achieve superior cooling.


  • CAM-powered
  • Reinforced Extended Tubing
  • 120mm PWM Radiator fan
  • 25dB noise level


  • Stunning lighting
  • Premium build quality
  • Silent operation
  • Full software integration


  • Horrible CAM software

Cooler Master MasterLiquid ML360R ARGB Close-Loop AIO CPU Liquid Cooler

Cooler Master MasterLiquid

The Cooler Master MasterLiquid ML360R ARGB Close-Loop AIO CPU Liquid Cooler offers remarkable cooling performance in an attractive design. It is an all-in-one liquid cooler that performs perfectly while maintaining low noise levels. It comes with discrete lighting and has MasterFam MF120R ARGB PWM fans that add flair to the radiator.

This CPU cooler comes with an aluminum radiator that offers good fin density and sufficient airflow for the included fans. However, this cooler requires many cables to set it up.


  • Dual chamber pump
  • 30 dB noise level
  • Triple MasterFans
  • Addressable RGB LEDs
  • Aluminum 360mm radiator
  • Sleeved FEP


  • Full-color customization
  • Low-profile dual chamber
  • Maximized cooling effects
  • East to install
  • Color controller works well


  • Has cheap little plastic nubs

EVGA CLC 240mm All-In-One RGB LED CPU Liquid Cooler

EVGA CLC 240mm

The EVGA CLC 240mm All-In-One RGB LED CPU Liquid Cooler delivers incredible performance thanks to its 240mm dual-fan radiator and an innovative static pressure fan that minimizes noise. It comes with a built-in RGB LED that offers you full control to customize lights to your favorite colors.


  • 240mm dual-fan radiator
  • Teflon Nano bearings
  • EVGA Flow Control software
  • Built-in RGB LED


  • Customizable RGB lighting
  • Superior cooling and lower noise
  • Built-in RGB LED
  • Improved flowrate and heat transfer surface  area


  • The EVGA Flowcontrol is bugged
Best Liquid Cooler for i9 9900k Reviews for 2020


The i9 9900k comes with the latest technology on the market.

If you’re looking for the best liquid cooler for i9 9900k, this guide will help you make an informed decision.

Good luck!