Top 10 Best Liquid CPU Coolers in 2021 – Reviews


Keeping your cool is very important in life. What is more important is making sure your computer keep sits cool. If you don’t you could lose valuable gaming or internet time and a lot of money. That is why one of the top 10 best liquid CPU coolers in 2021 are so important.

They help your computer stay cool and protect you from extra, unplanned expenses. When it comes to protecting your computer, go with the best cooling systems on the market.

Factors to Consider When Purchasing a Liquid CPU Cooler

  • Fan size: you want to be able to have maximum airflow to prevent damage to your computer. Go with the largest set of fans you can get that will comfortably fit your computer system
  • Motors:  the quieter the better. While you want to keep your computer cool, you also do not want your concentration ruined by loud fan motor noise
  • Pumps: dual action are the best. You get better service, better delivery and better cooling power with this model of cooling pump
  • RGB: colors are important to some gamers and other computer users. When you can integrate the cooling system’s RGB capability with other systems’, then you have a lot of opportunities to expand your light show.
  • Tubes: flexible and explosive proof features are the best way to help keep your computer system from over-heating. Make sure the tubes are durable enough to handle your cooling needs for a long time.

Best Liquid CPU Coolers in 2021

10. Cooler Master MasterLiquid All-in-one CPU Liquid Cooler

Cooler Master MasterLiquid All-in-one CPU Liquid Cooler

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With RGB capabilities, you can customize your cooling system to fit in with your modern computer look. Then, you can be left undisturbed as the fan motor does not make a lot of noise when active. Efficiency at its best.

Also, when you purchase this liquid cooler, you get dual pump action. This action comes through the 2 kink-free reinforced hoses. Plus, the 120 mm fan makes sure that the liquid flow is constant and thorough.

Even with high load times, your computer should be kept nice and cool by this liquid cooling system. Everything is included to make sure your computer stays nice and cool.


  • 2 reinforced hoses
  • Dual action pump
  • 120 mm fan
  • Silent motor

9. Cooler Master MasterLiquid LC240E CPU Liquid Cooler

Cooler Master MasterLiquid LC240E CPU Liquid Cooler

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Dual 120 mm cooling fans work well with this liquid cooling system. They work hard to make sure your computer gets all the cooling it needs to work at its best levels. Plus, their quiet motors make sure you can concentrate when the fans are doing their job.

Along with the fans, you get reinforced and kin-resistant tubes. These tubes ensure your computer is getting all the liquid coolant it needs. Then a low-profile pump doesn’t take a lot of space up in your computer’s interior.

Plus, the RGB capability allows you to fine tune and customize your overall look.


  • RGB customization
  • Low-profile pump
  • Reinforced tubing
  • Dual fans

8. DEEPCOOL Liquid AIO CPU Cooler


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The main feature on this liquid cooling system is its RGB capabilities. When turned on you get access to up to 17 lighting modes to make your computer look even cooler. Then this RGB cooling system is compatible with other internal RGB options.

Plus, driving the liquid coolant are 2 240 mm fans These fans are so quiet you may not think that they are on. No tools are needed to install this cooling system. T comes with an upgraded metal clip or two to make sure they stay secure and in place.

A control switch is conveniently located on the power cord.


  • RGB capability
  • Convenient power switch
  • 17 light modes
  • 240 mm fans

7. Thermaltake Floe Triple Riing AIO Liquid Cooling System

Thermaltake Floe Triple Riing AIO Liquid Cooling System

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What is better than 2 cooling fans?  Installing a liquid cooling system that has 3 120 mm cooling fans to keep your computer from over-heating. Plus, you get a lot of unique features including AI voice control.

With 12 separate RGB LED lights at your disposal your creativity should hold no limits. Also, the riing plus technology provides you with even more cooling and lighting options. You get fan monitoring capability as well as CPU temperature tracking features with this cooling unit.

The DIP controller handles all the different tasks. In addition to al of this you can hook up 5 more devices for better cooling and light action.


  • Add on capability
  • 12 separate LED lights
  • Unlimited lighting options
  • Strong cooling features

6. Corsair HYDRO Series H100i PRO RGB AIO Liquid CPU Cooler

Corsair HYDRO Series H100i PRO RGB AIO Liquid CPU Cooler

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To give your internal computer parts the airflow they need to keep their cool, this system uses 2 magnetic 120 m fans. These fans use PWM technology to deliver the airflow without making a lot of noise when doing so.

Also, the CORSAIR iCue technology lets you stay in control of individual fan and pump speeds. Plus, it will allow you to monitor CPU temperatures. You can also adjust the RGB function with this technology.

The dual pump action works with the two fans to make sure all the coolant goes where it is needed. Your computer should stay cooler while looking cooler.


  • 4 unlocked cores
  • CORSAIR iCue technology
  • Quiet fan motors
  • Dual action pump

5. EVGA CLC 240 Liquid/Water CPU Cooler

EVGA CLC 240 Liquid-Water CPU Cooler

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With this liquid cooling system, you get dual fans pumping out 240 mm of airflow every time they turn on. This gives you the cooling power you need every time you use your computer. Plus, their quiet motors do not take away any of the fans’ efficiency.

Also, the liquid cooling system has a wide range of compatibility including trying to meet future specs with ease. Just read the owner’s manual to get all the options at your disposal.

The RGB feature can be synched up with other Evga RGB features. This makes your color scheme even better than it was.


  • RGB extension
  • Wide compatibility
  • Quiet motor
  • Dual fans

4. DEEPCOOL Captain 240EX AIO Liquid CPU Cooler

DEEPCOOL Captain 240EX AIO Liquid CPU Cooler

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The red highlights will give your computer a fiercer look. Coupled with this is a clear glass tube that shows how the liquid is circulating. Plus, the powerful pump works hard all day making sure the coolant is distributed correctly.

After installation, you will find that the explosion proof tubes protect your computer even when there is high traffic. Before your computer gets too hot, 2 120 mm fans kick into action and gets rid of the heat.

In addition to all of this, you get flexible tubes to make sure you can save space when you install this liquid cooling system.


  • Flexible tubes
  • Glass tube & LED light
  • Explosion proof safety system
  • Powerful pump

3. Thermaltake WATER 3.0 Dual Riing Water Cooling System

Thermaltake WATER 3.0 Dual Riing Water Cooling System

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An easy to use controller lets you select how your cooling system will operate. You control speeds, lights, and power with a simple touch of your finger. Plus, with the tip of your finger, you can choose between 256 color options and 5 color modes.

Also, the top-rated pump is both reliable and puts out the maximum amount of coolant you need. Then you have a choice. You can use the dual 240 mm fans to remove the heat or you can use 4 120 mm fans. The choice is all yours to make.

RGB light system keeps your computer looking its best.


  • 2 240 mm fans
  • 256 color options
  • 5 color modes
  • Easy to use controller

2. NZXT Kraken X62 RGB CPU Liquid Cooler

NZXT Kraken X62 RGB CPU Liquid Cooler

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If you want complete control over your cooling system, this unit is for you. It comes with CAM technology, so you stay in control of how your computer keeps its cool. Then the small sized pump is not too small to prevent heat from ruining your components.

After installation, you should get great cooling results from the 2 140 mm fans. Technology has upgraded this cooling system to make it a perfect ft for your computer. Also, you get the standard RGB capability to make sure your computer lights up the way you want.

Nothing but the best for your computer.


  • CAM technology
  • RGB capability
  • 2 140 mm fans
  • Compact pump

1. CORSAIR Hydro Series AIO Liquid CPU Cooler

CORSAIR Hydro Series AIO Liquid CPU Cooler

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A good pump is what you need to make sure your cooler stays cool all the time. This liquid cooling system comes with a dual action pump that is designed to be durable and trouble free. It brings the coolant to the 2 120 mm fans at maximum pressure.

Also, the corsair link app makes sure you are in control of all the features built into this cooling system. You can monitor your computer’s temperature, controls different speed and a lot more.

The fans’ blades spin at roughly 2400 RPM giving you the right amount of airflow every time the fans turn on.


  • 2400 RPM speeds
  • Corsair link for better control
  • Dual action pump
  • 120 mm fans

Some final words

Computers depend on a good cooling system to be able to perform up to their potential. Using one of the top 10 best liquid CPU coolers in 2021 is the way to make sure you get optimum performance from your computer.

Protect your computer by using the top of the line liquid cooling systems available for your use.

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