Best AIO CPU Coolers of 2024 [Tested & Reviewed by Experts]

Written By Sajal Dipu

AIO cooler has been the center of choice for many PC enthusiasts because of their exceptional cooling capability and easy installation process. Besides, you don’t have to worry about water leakage on your expensive gaming PC

However, among the vast amount of AIO options in the market, we tested 22 of them & finally listed the 8 best ones you can get right away.

In case you’re in a hurry, ARCTIC Liquid Freezer II 360 should be the ideal one for you. It will give you the best performance you’re craving for.

Best AIO Cooler for CPUs

ProductAwardMaximum RPM
ARCTIC Liquid Freezer II 360 A-RGBEditor's choice1800 RPM
ID-COOLING FROSTFLOW X 240Bang for bucks2500 RPM
ASUS ROG Ryujin II 360 ARGBBest Premium RGB2000 RPM
DeepCool LT720Best 360 mm3100 RPM
Thermaltake Floe 280 TTBest 280 mm1400 RPM
Corsair iCUE H100i Elite CAPELLIX XTBest 240 mm2100 RPM
CoolerMaster MasterLiquid ML120LBest 120 mm1800 RPM
Corsair iCUE H170i Elite LCD XTBest 420 mm1700 RPM

Manufacturers mainly classify the AIO cooler as per their diameters. The 120 mm coolers are best for IT–PC/ normal office PCs, the 240 MM is best for mid-range CPUs like Core i5–1200K or Ryzen 5 5600x, and 360 mm is for high-performing CPUs like the latest gen Core i7 or Core i9 processors.

Also, there are 280 mm and 420 mm coolers for special purposes. After testing hundreds of coolers from our market, we’ve selected the best AIO cooler for every category. So you don’t need to waste your time.

Here’s the list of the best AIO coolers available in the market:

1. Editor’s Choice: ARCTIC Liquid Freezer II 360 A-RGB



Radiator Size: 398 (L) x 38 (W) x 120 (H) mm | Fan Size:120 mm x 3 | Voltage: 12 Volts | Max Fan Speed:1800 RPM | Noise Level:10.64 dB | Warranty: 6 years

  • »Great cooling feature with EU Hardware award.
  • »Remarkable Socket compatibility.
  • »Has Static Pressure Fan.
  • »Premium class radiator.
  • »Inflexible.

Why We Picked It

The Arctic Liquid Freezer II 360 A-RGB is an absolute beast, capable of cooling over 290W. Knowing its reputation beforehand, we pushed it to its limit through extensive testing, including continuous benchmarking and stress tests.

And as expected, the Liquid Freezer could easily handle the 300 TDP of i9-10900K, keeping it at 76-80 ℃ during our hour-long prime95 stress test. The cooler proves to be an excellent choice for the latest generation Intel or AMD processors, particularly the i9 and R9 series.

Also, the RGB lighting fans gave a new look to our PC, making it more present to work with.

Who It’s For

The AIO is mainly for people who want to extract every last bit of performance from their CPUs. Because the Arctic Liquid Freezer II 360 does a solid job of keeping your PC cool even at the extreme overclocking stages. It’s a solid pick at the $160 price tag.

What We Liked Most

We mainly liked the solid performance it gives as per the price tag it comes with. Plus, you can barely hear the noise even with the MAX 1800 RPM fan speed.

What Could Be Improved

The ARCTIC Liquid Freezer II 360 A-RGB has very hard and thick hoses. Though that toughness makes the cooler more sturdy, we faced many difficulties while mounting it on our PC.


ARCTIC Liquid Freezer II 360 A-RGB is a solid cooler for any type of PC enthusiast who wants the best cooling feature with good aesthetics. That’s why the ARCTIC Liquid Freezer II 360 A-RGB is our  Editor’s Choice in all AIO coolers in the market.

2. Bang For Bucks: ID-COOLING FROSTFLOW X 240



Radiator Size: 276(L) x 120(W) x 27(H) mm | Fan Size:120 mm x 2 | Voltage: 12 Volts | Max Fan Speed: 2500 RPM | Noise Level: 19 dB| Warranty: 2 years

  • »Best price-performance ratio.
  • »Compact design & easily fits into most cases.
  • »Low Noise level.
  • »Simple installation.
  • »Need 3rd-party fan control software.
  • »Noise level.

Why We Picked It

After testing numerous AIO in the $50 price range, We settled on the ID-COOLING Frostflow X 240 all-in-one cooler for our budget games. With its only $55 price tag, no cooler could beat it head-on.

We overclocked our Intel Core i7-11700K processor to test the capabilities of ID-COOLING Frostflow X 240. And fortunately, it keeps our Core i7 around 28 °C on idle usage. And when we play heavy AAA games like Assassin’s Creed Origins, the temperature remains under 75 °C.

With a 240 mm aluminum radiator and two PWM fans, ID-COOLING Frostflow X 240 operates very quietly and provides strong air circulation. Also, ID-COOLING used anti-leak technology in the braided tubes of Frostflow X 240 AIO. So we didn’t have to worry during the installation.

Also, the FROSTFLOW X 240 comes with pre-applied thermal paste and simple yet sturdy mounting kits. So we could install it on our PC after receiving it from the seller.

Who It’s For

We mainly recommend users with a tight budget use ID-COOLING FROSTFLOW X 240. It will give you the best performance for the money you spend. Besides, its gaming look and strong build quality make it more desirable.

What We Liked Most

We mainly liked the price-performance ratio of ID-COOLING FROSTFLOW X 240. Also, its easy installation process and continuous robust performance make it unbeatable in the $55 price range.

What Could Be Improved

The main thing we didn’t like about the FROSTFLOW X 240 is its noise. Also, the lack of fan control software will force you to install third-party software, which is not cool considering the capability of this cooler


The FROSTFLOW X 240 form ID-COOLING gives a great cooling experience and fulfills all the criteria you want from an AIO with only the $55 price tag. This is the reason we gave ID-COOLING FROSTFLOW X 240 the bank for bucks award.

3. Best Premium RGB: ASUS ROG Ryujin II 360 ARGB



Radiator Size: 121 (L) x 394 (W) x 27 (H) mm | Fan Size:120 mm x 3 | Voltage: 12 Volts | Max Fan Speed: 2000 RPM | Noise Level: 36.45 dB | Warranty: 6 years

  • »Huge LED display.
  • »Three high-quality Noctua fans.
  • »Comes with RGB controller hub.
  • »Water block fan Integration.
  • »Bulky CPU blocks.
  • »High Price.

Why We Picked It

ASUS ROG Ryujin II 360 is one of the top-tier AIO you can find in the market. It gives you top-notch performance with elegant design and custom lighting. You also get a 3.5″ LCD Display and an additional micro fan embedded on top of the CPU block in the ROG Ryujin II, justifying its premium price tag.

You can set any GIFs, images, or even then hardware information like CPU temperatures, date, clock, etc., on the LED screen.

Also, ROG Ryujin II 360 gets huge options and better support on Armory Crate software. You can set custom RGB lighting or fan speed curves and turn off the embedded micro fan using the software.

The cooler itself is very well-made. And with the long-lasting Noctua fans, it gives you the best performance you want from an AIO. We tested the ASUS ROG Ryujin II 360 cooler on our Core-i9 13900K rig In the smart–turbo mode.

Our CPU stays at 88 ℃ average while using the Cinebench R23 for almost 3 hours in my 22 ℃ room. We also ran the 3Dmark stress test for 20 minutes using the same cooling mode, and the CPU temperature was around 58 ℃. And the cooler also stayed very quiet during testing.

Who It’s For

This cooler is mainly for enthusiast-class users who want personalized looks with great performance, and they are willing to spend a hefty amount for that device.

What We Liked Most

We mainly liked the sturdy build quality, the looks, the custom controls, and the quietness of this AIO cooler. Also, the customizable LCD screen of ASUS ROG Ryujin II 360 gets an additional plus from us.

What Could Be Improved

The main demerit of ASUS ROG Ryujin II 360 is its hefty $450 price tag. If the price were under the 300-dollar threshold, ROG Ryujin II 360 would be beyond comparison. Also, the extended CPU block was hard to mount in our PC case during cable management.


The Asus ROG Ryujin II 360 ARGB is one of the best-performing AIO coolers with very gorgeous RGB lighting and a 3.5″ LCD screen. It also perfectly syncs with Asus’s aura-sync technology. That’s why we gave the Asus ROG Ryujin II 360 ARGB the Best Premium RGB award in this list.

Feel free to check out other Aura sync CPU coolers for more purchasing options.

4. Best 360mm: DeepCool LT720



Radiator Size: 402(L) x 120(W) x 27 (H) mm | Fan Size:120 mm x 3 | Voltage: 12 Volts | Max Fan Speed: 3100 RPM | Noise Level: 36.45 dB | Warranty: 5 years

  • »Humongous cooling capacity.
  • »Easily handles up to 315W loads.
  • »Great RGB synchronization.
  • »5-years warranty.
  • »Good Price.
  • »Loud at full speed.

Why We Picked It

The DeepCool LT720 is an absolute beast that comes with the most visually stunning ARGB LED lighting for gaming enthusiasts. It has a 4th generation pump with a micro-channel design to optimize coolant flow.

The brushless motor with a thick pure copper plate can easily go up to 3100 RPM, increasing the overall cooling efficiency. It also comes with a pressure-relief device on the top of the radiator which blocks possible leaking accidents during its product lifetime.

The Fan can go up to 2250 RPM and provide 85.85CFM airflow. DeepCool LT720 also has a self-refill liquid port. So you can easily refill the liquid if needed. However, keep in mind if you change the liquid of this cooler, your warranty will be void.

Who It’s For

DeepCool LT720 is mainly for the high–end CPUs like Core i9, i7, or Ryzen 9 7950X. The cooler can also handle extremely overclocked mid-range CPUs. So most mid-budget enthusiasts can use it without any issues.

What We Liked Most

We mainly liked the iconic geometric ice cube RGB and the full black looks of this cooler. Also, the high RPM fans, pure copper plate connectors, and anti-leakage technology get additional Plus from our end.

What Could Be Improved

We mainly didn’t like the high fan sound of this cooler under full load.  The fan’s sound can go up to 40 dB on full load.


The DeepCool LT720 is one of the best 360 mm coolers you can get under the $140 threshold. You can easily match it with any high-end CPU like Core-i9 or Ryzen 9, and it will cool them very effectively. This is the reason we gave DeepCool LT720 the Best 360 mm Cooler award in this list.

5. Best 280mm: Thermaltake Floe 280 TT



Radiator Size: 313 (L) x 139 (W) x 27 (H) mm | Fan Size:120 mm x 3 | Voltage: 12 Volts | Max Fan Speed: 1400RPM | Noise Level: 27.20 dB | Warranty: 2 years

  • »Good cooling.
  • »Adjust fan speed.
  • »Digital Lighting Controller included.
  • »Different Light Mode.
  • »Poor Software.
  • »Long cable.

Why We Picked It

Though the 280 mm AIOs are quite uncommon among users, we picked Thermaltake Floe 280 TT for its high performance. This Tt LCS Certified cooler comes with two 140 mm Riing Plus RGB fans which can flow significantly more air than the normal 120 mm.

You also get a specially designed 280 mm large surface radiator that doubles the cooling. You can add 4 ×140 mm fans with this cooler for additional heat dissipation. The water block has a copper baseplate giving you more cooling performance under $70.

Thermaltake Floe 280 TT also comes with customizable RGB lighting, which will enhance the looks and the fills of your PC. You also get an additional digital lighting controller with this package for easy lighting customization.

Who It’s For

Thermaltake Floe 280 TT is the best choice for people who want better cooling than the 240 mm AIO but don’t have the budget for 360 mm or whose PC case can’t fit the 360 mm.

What We Liked Most

We mainly liked the sturdy performance of the large surface radiator, the 140 mm fans, and the Fan Alert technology in Thermaltake Floe 280 TT.

What Could Be Improved

The main demerit of Thermaltake Floe 280 TT is its RGB software. If you previously selected any lighting effect for your cooler through the default software, it won’t load until your windows start properly. So you have to deal with that annoying default light effect every time you turn on your PC.


Thermaltake Floe 280 TT is one of the best 280 mm coolers available in the market. Almost no other cooler gives these kinds of performance with a $69 price tag. So we awarded Thermaltake Floe 280 TT the Best 280 mm cooler on our list.

6. Best 240mm: Corsair iCUE H100i Elite CAPELLIX XT



Radiator Size: 277 (L) x 120 (W) x 27 (H) mm | Fan Size:120 mm x 2 | Voltage: 12 Volts | Max Fan Speed: 2100 RPM | Noise Level: 34.10 dB | Warranty: 5 years

  • »Good cooling performance.
  • »Removable Pump Cap.
  • »Extensive AMD & Intel LGA1700 socket support.
  • »Easy installation.
  • »Non-Magnetic Hub.
  • »Need USB 2.0 Header.

Why We Picked It

Corsair AIOs are always known for giving the best performance, and the iCUE H100i Elite Capellix XT is no different. The 120 mm fans, which come with Anti-vortex vanes, gave us good airflow and static pressure. You can get the fan speed up to 2400 RPM using the iCUE software.

The cooler also includes CORSAIR XTM70 Extreme Performance thermal paste making the heat spreading more efficient.

When I played Cyberpunk 2077 in 2k ultra settings on my i9 13900k+RTX 4080 rig, the CPU temp was only 66℃. So you do not have to worry about the performance of iCUE H100i Elite Capellix.

iCUE H100i Elite Capellix pump head includes 33 ultra-bright LEDs, which perfectly sync with the RGB fans and give you a colorful environment to work with.

Who It’s For

The Corsair iCUE H100i Elite CAPELLIX XT is suitable for all low to mid-range PC enthusiasts who want a solid performance with a decent amount of RGB to enhance their PC’s looks according to their personality.

What We Liked Most

We mainly liked the easy installation process, the cooling capacity, and the personalized RGB lighting of Corsair iCUE H100i Elite CAPELLIX XT. Also, the 5-year warranty period gets an additional plus from us.

What Could Be Improved

The price of iCUE H100i Elite CAPELLIX XTThe was the main demerit for us. The $180 price tag is quite high for a 240 mm cooler. Also, the 37db(A) sound under full load gets a minus from us.


iCUE H100i Elite CAPELLIX XT gives you the best performance with high-quality ML RGB fans and an eye-catching pump head, making it a great choice for PC enthusiasts. So it gets the Best 240 mm award in our list.

However, if you are low on budget but want a decent 240 mm cooler follow our guide on the Best 240 mm AIO Coolers.

7. Best 120mm: CoolerMaster MasterLiquid ML120L



Radiator Size: 157 (L) x 119.6 (W) x 27.2 (H) mm | Fan Size:120 mm x 1 | Voltage: 12 Volts | Max Fan Speed: 1700 RPM | Noise Level: 27 dB | Warranty: 2 years

  • »Compact Design.
  • »RGB LED.
  • »Easy Installation.
  • »Remote included with the package.
  • »Uses Molex connecter.
  • »Short Tubes.

Why We Picked It

If you are looking for a decent 120 mm AIO for your office PC, the CoolerMaster MasterLiquid ML120L is worth a shot. It comes with a next-gen dual-chamber pump with a reinforced seal, which prevents any leakage possibility. It has a bigger radiator surface area than most 120 mm coolers.

When we stress-tested this cooler on our Ryzen 7 3700X at 3.7GHz speed, the temperature only reached 60 °C.

You also get decent RGB options in this cooler and the pump head. Most RGB motherboards are compatible with this cooler, and you can change the lighting using your mobo’s lighting control software.

However, if you want other 120 mm options check out our picks of the 6 Best 120 mm AIO CPU Coolers.

Who It’s For

CoolerMaster MasterLiquid ML120L is most suitable for office PC or mild overclockers. This compact 120 mm can easily handle most corporate works with different kinds of ERPs and mild gaming.

What We Liked Most

We mainly liked the sleek look and the lighting effect of MasterLiquid ML120L. Also, the dual-chamber pump gets an additional plus point from us.

What Could Be Improved

The $80 price tag is quite high for a 120 mm cooler because you can use it on the latest-gen hotter CPUs. If the price gets to the 60-dollar threshold, no cooler can beat it.


The CoolerMaster MasterLiquid ML120L performs the best when it comes to any corporate workload or mild gaming. So it gets the Best 240 mm AIO award from us.

8. Best 420mm: Corsair iCUE H170i Elite LCD XT



Radiator Size: 457 (L) x 140 (W) x 27 (H) mm | Fan Size:120 mm x 3 | Voltage: 12 Volts | Max Fan Speed: 1700 RPM | Noise Level: 33.8 dB | Warranty: 5 Year

  • »Strong cooling capabilities.
  • »2.1-inch IPS display.
  • »Great RGB software support.
  • »High-quality thermal paste.
  • »Huge radiator size.
  • »Costly.

Why We Picked It

We mainly picked the Corsair iCUE H170i Elite LCD XT for its monstrous strength, quieter operation, sturdy build quality, and great aesthetics. This massive AIO was also very quiet during tests making it more desirable.

We tested the Corsair iCUE H170i Elite LCD XT in our Core i7 12900K rig, and under full load, the CPU only reached 25 °C.

You also get a 2.1-inch IPS LCD on the pump head and AF RGB ELITE PWM fans, which change the looks and fills of your PC dramatically.  The AIO only makes 33.8 dB sound under full load, which is quite enough for a cooler this big.

Who It’s For

The Corsair iCUE H170i Elite LCD XT is mainly for personal servers or huge E-ATX PC users because most normal PC cases can’t handle the 420 mm fan size.

What We Liked Most

We mainly liked the comprehensive RGB software and 2.1-inch High-quality IPS display of this cooler. Also, the ability to make additional cooling profiles gets a plus from us.

What Could Be Improved

The 309-dollar price gets a thumbs-down from us. Also, the long wire creates many cable management issues while mounting it on our PC.


The Corsair iCUE H170i Elite LCD XT is the best premium 420 mm AIO cooler available in the market. It’s quiet, but effective cooling, great RGB lighting, and sturdy build quality make it the Best 420 mm AIO in the market.

How We Chose the Best AIO Cooler

When selecting the best AIO (All-in-One) coolers, we mainly consider the fans’ performance,  cooling capacity, RGB lighting, aesthetics, radiator, & pump, and last but not least, the price-performance ratio to make this list for you.

Here are the factors we’ve considered while selecting the Best AIO Cooler for you:

Cooling Capacity

While making this list, we compared the coolers’ ability to maintain CPU temperature under heavy loads. And all the coolers on this list perform the best in each segment.

Noise Level

We also consider AIO coolers with low noise levels while making this list. So you can enjoy a more pleasant computing experience.

Build Quality

We review the build quality and durability of each cooler in our list. Like the material they used, the reliability of the water pump, and overall construction because high-quality components ensure better performance and long-term reliability.


We considered the compatibility of the coolers with various CPU sockets and case sizes. AIO coolers that could easily fit into different PC configurations got higher ratings from our end.


We evaluated the ease of installation and the availability of clear instructions and user-friendly mounting systems. AIO coolers that offered hassle-free installation were favored in our list.

Price-Performance Ratio

We compared the price-to-performance ratio to determine the overall value provided by each AIO cooler. We gave priority to Coolers with excellent cooling performance, build quality, and features at a reasonable price.

Reviews and Recommendations

We analyzed expert reviews, user feedback, and recommendations from different reliable sources to estimate overall performance and user satisfaction with each AIO cooler.


Is AIO more durable than an air cooler?

No, the air coolers are more durable than the AIO coolers. Because air coolers have fewer technical parts, the AIO cooler and the mechanism are relatively simple.

Is there an AIO for GPU?

Though there aren’t any separate AIOs for GPUs, you can easily use EVGA Hybrid kits or NZXT G12 kits to mount any GPU you like.

Do AIOs need maintenance?

Typically, the AIO coolers don’t need any liquid maintenance, and you may occasionally clean the fan if you see clouds of dust in the plates.

About The Author
Sajal Eahsan’s passion for technology, especially gaming, can be traced back to pre-processional days.He recently obtained a university degree in AIS, and now he is building up some elite tech experience. And when he’s not playing games, you can find him reviewing the newest films, TV shows, or musical compositions.

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