ReviewsCoolersBEST 240mm AIO Coolers In 2024

BEST 240mm AIO Coolers In 2024 [Hands-On-Tested]

After months of research and testing, we have finally put together a comprehensive list of the top 240mm AIO coolers based on socket compatibility, TDP, noise levels, and aesthetics.

Air coolers have always been the go-to for most gamers to provide decent cooling performance for the best gaming CPUs. However, with the advancement in technology, AIO coolers are becoming more and more prominent. 240mm AIO coolers are in the moderate range, providing decent cooling performance for high-end processors without costing too much. Therefore, we have provided a list of the top 240mm AIO coolers after extensive research.

Take a look at our top picks for the best 240mm AIO coolers, all compared with each other:

Cooler
DeepCool Liquid Cooler LT520
Alphacool Eisbaer Pro Aurora 240
Corsair iCUE H100i Elite Capellix XT
Lian Li Galahad II Trinity 240
ARCTIC Liquid Freezer II 240 A-RGB
Be Quiet! Silent Loop 2 240mm
Looks
DeepCool LT520 240mm Liquid Cooler 4th Gen Dual-Chamber Pump 3100RPM Multidimensional Infinity Mirror ARGB 280w TDP AIO 240mm Anti-Leak Tech for LGA 1700/1200/1151/1150/1155 AM5/AM4
Alphacool 11772 Eisbaer Pro Aurora 240 CPU
Corsair iCUE H100i Elite CAPELLIX XT Liquid CPU Cooler - Two AF120 RGB Elite Fans - 240mm Radiator - Intel® LGA 1700, 1200, 115X, 2066, AMD® AM5, AM4 - Included iCUE Commander CORE - White
Lian Li GA2T24INW Galahad II Trinity 240 AIO CPU Liquid Cooler 240mm - ARGB Daisy-chainable Radiator UNI Fan SL-INF - Intel® LGA 1700, 1200, 115X, AMD® AM5/AM4 Sockets - with SL Infinity Fans White
ARCTIC Liquid Freezer II 240 A-RGB - Multi-Compatible All-in-one CPU AIO Water Cooler with A-RGB, Compatible with Intel & AMD, PWM-Controlled Pump, CPU Cooler, AIO Cooler, CPU Liquid Cooler - Black
be quiet! Pure Loop 240mm All-in-One Water Cooling System | Intel 1700 1200 2066 1150 1151 1155 2011 Square ILM | AMD4 AMD5 | BW006
Award
Best Budget 240mm AIO Cooler
Best High Performance 240mm AIO Cooler
Best White 240mm AIO Cooler
Best RGB 240mm AIO Cooler
Best Overall 240mm AIO Cooler
Best Silent 240mm AIO Cooler
What We Liked
Excellent thermal performance, Brilliant digital lighting, Lower power requirements, 3D infinity mirror, Remarkable value
Fully copper radiator, Great RGB, Outstanding thermal performance, Incredible overclocking headroom, Extensive socket support
Decent thermal performance, Removable pump cap, Beautiful white aesthetics, Easy installation, Extensive socket support
Beautiful RGB aesthetics, Ultra-fast 2,450RPM fans, Impressive cooling performance, Premium build quality, Easy installation process, Removable pump cover
In-house pump design, Included VRM fan, Remarkable thermal performance, Unmatched value, 6 years warranty, Low fan noise
Impressive cooling performance, Impressively low noise, Subtle RGB, Sturdy build quality
What We Disliked
Noisy fans, No separate A-RGB controller
Noisy fans, Slightly expensive
Slightly expensive, Non-magnetic hub, USB 2.0 header requirement
Expensive, Smaller 385mm tube
No physical manual included, Difficult installation
Lower overclocking headroom
Dimensions
282 × 120 × 27mm
279 x 124 x 30mm
277 x 120 x 27mm
277.5 x 119.2 x 27mm
277 x 120 x 38mm
274 x 120 x 27mm
Fans
2x FK120 Fans
2x Aurora 120mm Fans
2x AF RGB Elite 120mm Fans
2x 120mm Fans
2x ARCTIC P12 PWM RGB 120mm Fans
2x Silent Wings 3 120mm Fans
Fan Speed
500 — 2,250RPM
0 — 2,500RPM
2,400RPM
300 — 2,450RPM
200 — 1,800RPM
2,200RPM
Noise Level
32.9dB(A)
31.5dB(A)
34.1dB(A)
30dB(A)
10.64dB(A)
17.8dB(A)
RGB
Cooler
DeepCool Liquid Cooler LT520
Looks
DeepCool LT520 240mm Liquid Cooler 4th Gen Dual-Chamber Pump 3100RPM Multidimensional Infinity Mirror ARGB 280w TDP AIO 240mm Anti-Leak Tech for LGA 1700/1200/1151/1150/1155 AM5/AM4
Award
Best Budget 240mm AIO Cooler
What We Liked
Excellent thermal performance, Brilliant digital lighting, Lower power requirements, 3D infinity mirror, Remarkable value
What We Disliked
Noisy fans, No separate A-RGB controller
Dimensions
282 × 120 × 27mm
Fans
2x FK120 Fans
Fan Speed
500 — 2,250RPM
Noise Level
32.9dB(A)
RGB
Amazon
NewEgg
Cooler
Alphacool Eisbaer Pro Aurora 240
Looks
Alphacool 11772 Eisbaer Pro Aurora 240 CPU
Award
Best High Performance 240mm AIO Cooler
What We Liked
Fully copper radiator, Great RGB, Outstanding thermal performance, Incredible overclocking headroom, Extensive socket support
What We Disliked
Noisy fans, Slightly expensive
Dimensions
279 x 124 x 30mm
Fans
2x Aurora 120mm Fans
Fan Speed
0 — 2,500RPM
Noise Level
31.5dB(A)
RGB
Amazon
NewEgg
Cooler
Corsair iCUE H100i Elite Capellix XT
Looks
Corsair iCUE H100i Elite CAPELLIX XT Liquid CPU Cooler - Two AF120 RGB Elite Fans - 240mm Radiator - Intel® LGA 1700, 1200, 115X, 2066, AMD® AM5, AM4 - Included iCUE Commander CORE - White
Award
Best White 240mm AIO Cooler
What We Liked
Decent thermal performance, Removable pump cap, Beautiful white aesthetics, Easy installation, Extensive socket support
What We Disliked
Slightly expensive, Non-magnetic hub, USB 2.0 header requirement
Dimensions
277 x 120 x 27mm
Fans
2x AF RGB Elite 120mm Fans
Fan Speed
2,400RPM
Noise Level
34.1dB(A)
RGB
Amazon
NewEgg
Cooler
Lian Li Galahad II Trinity 240
Looks
Lian Li GA2T24INW Galahad II Trinity 240 AIO CPU Liquid Cooler 240mm - ARGB Daisy-chainable Radiator UNI Fan SL-INF - Intel® LGA 1700, 1200, 115X, AMD® AM5/AM4 Sockets - with SL Infinity Fans White
Award
Best RGB 240mm AIO Cooler
What We Liked
Beautiful RGB aesthetics, Ultra-fast 2,450RPM fans, Impressive cooling performance, Premium build quality, Easy installation process, Removable pump cover
What We Disliked
Expensive, Smaller 385mm tube
Dimensions
277.5 x 119.2 x 27mm
Fans
2x 120mm Fans
Fan Speed
300 — 2,450RPM
Noise Level
30dB(A)
RGB
Amazon
NewEgg
Cooler
ARCTIC Liquid Freezer II 240 A-RGB
Looks
ARCTIC Liquid Freezer II 240 A-RGB - Multi-Compatible All-in-one CPU AIO Water Cooler with A-RGB, Compatible with Intel & AMD, PWM-Controlled Pump, CPU Cooler, AIO Cooler, CPU Liquid Cooler - Black
Award
Best Overall 240mm AIO Cooler
What We Liked
In-house pump design, Included VRM fan, Remarkable thermal performance, Unmatched value, 6 years warranty, Low fan noise
What We Disliked
No physical manual included, Difficult installation
Dimensions
277 x 120 x 38mm
Fans
2x ARCTIC P12 PWM RGB 120mm Fans
Fan Speed
200 — 1,800RPM
Noise Level
10.64dB(A)
RGB
Amazon
NewEgg
Cooler
Be Quiet! Silent Loop 2 240mm
Looks
be quiet! Pure Loop 240mm All-in-One Water Cooling System | Intel 1700 1200 2066 1150 1151 1155 2011 Square ILM | AMD4 AMD5 | BW006
Award
Best Silent 240mm AIO Cooler
What We Liked
Impressive cooling performance, Impressively low noise, Subtle RGB, Sturdy build quality
What We Disliked
Lower overclocking headroom
Dimensions
274 x 120 x 27mm
Fans
2x Silent Wings 3 120mm Fans
Fan Speed
2,200RPM
Noise Level
17.8dB(A)
RGB
Amazon
NewEgg

Last update on 2024-03-18

Best 240mm AIO Coolers

Following are our picks for the best 240mm AIO coolers:

  1. Best Budget 240mm AIO Cooler: DeepCool Liquid Cooler LT520
  2. Best High Performance 240mm AIO Cooler: Alphacool Eisbaer Pro Aurora 240
  3. Best White 240mm AIO Cooler: Corsair iCUE H100i Elite Capellix XT
  4. Best RGB 240mm AIO Cooler: Lian Li Galahad II Trinity 240
  5. Best Overall 240mm AIO Cooler: ARCTIC Liquid Freezer II 240 A-RGB
  6. Best Silent 240mm AIO Cooler: Be Quiet! Silent Loop 2 240mm

DeepCool Liquid Cooler LT520

Best Budget 240mm AIO Cooler

Best Budget 240mm AIO Cooler - DeepCool Liquid Cooler LT520
DeepCool Liquid Cooler LT520.

Specifications: Dimensions: 282 × 120 × 27mm | Fans: 2x FK120 Fans | Fan Speed: 500 — 2,250RPM | Noise Level: 32.9dB(A) | Socket SupportIntel: LGA 1700, 1200, 115X, 2011-3, 2066 AMD: AM4, AM5, sTR4, sTRX4 | RGB: Yes 

Pros

  • Excellent thermal performance
  • Brilliant digital lighting
  • Lower power requirements
  • 3D infinity mirror
  • Remarkable value

Cons

  • Noisy fans
  • No separate A-RGB controller

Cooling Performance: The DeepCool LT520 240mm AIO cooler provides impressive cooling performance thanks to its 2x 120mm FK120 fans running at remarkable 2,250RPM speeds. During our dedicated performance testing, the AIO had no problems keeping the test bench cool even at full load, showcasing slight overclocking capabilities.

While criticizing its louder noise output, Nauman Siddique, one of our hardware reviewers, complimented the AIO’s incredible thermal performance in his review:

“The DeepCool LT520, with its superb cooling performance albeit at higher noise output, is a fantastic cooler offering a good blend of stunning visuals on the block cover and the thermal performance.”

Build Quality: The AIO cooler has sturdy build quality with an anti-vibration rubber cushion along the fans. Moreover, the aluminum radiator has a thicker 20 FPI count, which helps with heat dissipation without causing any issues. We also loved the copper baseplate for better thermal performance.

Aesthetics: Although on the budget end, the DeepCool LT520 offers beautiful white aesthetics with remarkable RGB lighting. Additionally, the square design of the fan’s frame complements the cooler’s aggressive but sophisticated appearance. So even though the fans don’t have any RGB, they improve the cooler’s overall looks.

Buy It If

We took a few images of the AIO cooler during our dedicated review:

✅ You don’t want to thermal throttle your CPU on a tighter budget: If you’re on a tighter budget and don’t want your high-end CPU to thermal throttle at full load, then we recommend purchasing the DeepCool LT520 240mm AIO cooler because of its lower price and impressive cooling performance.

Don’t Buy It If

You require a separate A-RGB controller: We don’t recommend buying the DeepCool LT520 AIO cooler if you dislike that it relies on the A-RGB connector on the motherboard or case rather than including its own A-RGB controller.

What Makes It The Best Budget 240mm AIO Cooler?

The DeepCool LT520 is a remarkable cooler that balances eye-catching aesthetics on the block cover and thermal performance, notwithstanding its noisier performance. For its lower price, the AIO is one of the only options that provides real value for money. So, making it the best budget 240mm AIO cooler.

Performance: 8/10 Value: 10/10
Features: 8/10 Design: 9/10

Alphacool Eisbaer Pro Aurora 240

Best High Performance 240mm AIO Cooler

Best High Performance 240mm AIO Cooler - Alphacool Eisbaer Pro Aurora 240
Alphacool Eisbaer Pro Aurora 240.

Specifications: Dimensions: 279 x 124 x 30mm | Fans: 2x Aurora 120mm Fans | Fan Speed: 0 — 2,500RPM | Noise Level: 31.5dB(A) | Socket SupportIntel: LGA 1700, 1200, 115X, 2011-3, 2066, 3647, 4189 AMD: AM4, AM5, TR4, sTRX4, sWRX8, SP3 | RGB: Yes 

Pros

  • Fully copper radiator
  • Great RGB
  • Outstanding thermal performance
  • Incredible overclocking headroom
  • Extensive socket support

Cons

  • Noisy fans
  • Slightly expensive

Cooling Performance: The Alphacool Eisbaer Pro Aurora 240 AIO cooler utilizes its larger 58 cooling fins and 2x 120mm fans running at 2,500RPM speeds to provide remarkable thermal performance. The AIO cooler showed no signs of thermal throttling during my testing and had lots of overclocking headroom, even at full load.

Build Quality: The CPU block and pump’s weight and solid feel indicate that they are made of high-quality materials, such as thick cast walls for the pump housing and a copper base. Moreover, the cooler has a 3mm thick baseplate, meaning any extra heat is quickly transferred into the water and effectively dissipated.

I loved the AIO cooler’s outstanding modularity, socket support, and thermal performance, making me express the following in my dedicated review:

“If you are looking for a cooling solution for a wide variety of sockets, modularity with easy expansion, and vivid and dynamic digital RGB lighting, the ALPHACOOL Eisbaer Pro Aurora – 240 CPU AIO stands out.”

Aesthetics: The Alphacool Eisbaer Pro Aurora 240mm AIO cooler comes in beautiful aesthetics with tons of addressable RGB all over the fans and pump, allowing users to customize the cooler to suit their needs. I also loved the unique rectangular pump block design that complements the cooler’s overall looks.

PRO TIP: You can increase an AIO cooler’s performance by installing the radiator strategically. Figuring out your PC case’s airflow capabilities, you can install the radiator on the chassis’s front, top, or bottom.

Buy It If

Here are a few images we captured while reviewing the AIO cooler:

✅ You want to achieve considerable overclocks without losing out on aesthetics: If you’re looking for a 240mm AIO cooler that provides beautiful aesthetics while allowing remarkable overclocking capabilities, then I recommend purchasing the Alphacool Eisbaer Pro Aurora 240mm AIO cooler.

Don’t Buy It If

You dislike noisy fans: I don’t recommend buying this AIO cooler if you can’t stand noisy fans, as the Alphacool Eisbaer Pro Aurora 240’s fan noise, according to my testing, is ~31.5dB(A), making it fairly audible.

What Makes It The Best High Performance 240mm AIO Cooler?

Overall, if you’re looking for a 240mm AIO cooler that does the job well without breaking a sweat, then the Alphacool Eisbaer Pro Aurora 240 AIO should be your cooler of choice. Its high-quality, durable components make it one of the best 240mm AIOs ever produced, making it the best high performance 240mm AIO cooler.

Performance: 10/10 Value: 8/10
Features: 9/10 Design: 8/10

Corsair iCUE H100i Elite Capellix XT

Best White 240mm AIO Cooler

Best White 240mm AIO Cooler - Corsair iCUE H100i Elite Capellix XT
Corsair iCUE H100i Elite Capellix XT.

Specifications: Dimensions: 277 x 120 x 27mm | Fans: 2x AF RGB Elite 120mm Fans | Fan Speed: 2,400RPM | Noise Level: 34.1dB(A) | Socket SupportIntel: LGA 1700, 1200, 115X, 2011, 2066 AMD: AM4, AM5, sTR4 | RGB: Yes

Pros

  • Decent thermal performance
  • Removable pump cap
  • Beautiful white aesthetics
  • Easy installation
  • Extensive socket support

Cons

  • Slightly expensive
  • Non-magnetic hub
  • USB 2.0 header requirement

Cooling Performance: The Corsair iCUE H100i Elite Capellix XT 240mm AIO cooler provides incredible thermal performance thanks to its 2x AF RGB Elite 120mm fans running at fast 2,400RPM speeds. During our dedicated performance testing, the AIO cooler showcased decent overclocking capabilities even with high-end CPUs.

Loving the Corsair iCUE H100i Elite Capellix XT’s longer warranty period and remarkable thermal performance, Nauman Siddique states in his review:

“The Corsair iCUE H100i Elite Capellix XT White cooler is another top-performing AIO offer from the manufacturer in the 240mm size category. This cooler offers a nice blend of performance and features with a 5-year warranty.”

Build Quality: Regarding its build quality, the AIO cooler has a premium-sleeved low-permeation tubing material that improves the longevity of the fluid and radiator. Moreover, we loved the aluminum radiator and copper baseplate, which help with heat dissipation, keeping temperatures low while improving the airflow in the PC case.

Aesthetics: With an all-white snow-like design and remarkable RGB around the pump and fans, the Corsair iCUE H100i Elite Capellix XT 240mm AIO cooler has beautiful looks, making it perfect for a white PC build. Corsair has added a removable pump cap to improve its customization capabilities, allowing users to get aesthetics suited to their taste.

PRO TIP: You can decrease the fan noise by slowing down the AIO cooler’s fans. However, doing so will also reduce the AIO’s cooling performance, and you can also mess up the airflow in your chassis.

Buy It If

We captured a few images of the Corsair H100i Elite Capellix XT during our review:

✅ You want to overclock your CPU in a white-themed PC build: If you’re trying to overclock your mid-range or high-end CPU in a white-themed PC and require a 240mm AIO cooler that fits the bill without breaking the bank, then we recommend purchasing the Corsair iCUE H100i Elite Capellix XT because of its beautiful aesthetics and performance.

Don’t Buy It If

You require a magnetic hub for your fans and RGB: We don’t recommend buying the Corsair iCUE H100i Elite Capellix XT 240mm AIO cooler if you need a magnetic hub to install it in your PC case for your fans easily and RGB as the one provided isn’t magnetic and needs double-sided tape to stick properly.

What Makes It The Best White 240mm AIO Cooler?

The Corsair iCUE H100i Elite Capellix XT 240mm AIO cooler provides immense cooling capabilities thanks to its 2x fans running at 2,400RPM speeds while showcasing beautiful snow-white aesthetics with tons of RGB. Furthermore, it is the best white 240mm AIO cooler thanks to its sturdy build quality and decent overclocking potential.

Performance: 9/10 Value: 8/10
Features: 8/10 Design: 10/10

Lian Li Galahad II Trinity 240

Best RGB 240mm AIO Cooler

Best RGB 240mm AIO Cooler - Lian Li Galahad II Trinity 240
Lian Li Galahad II Trinity 240.

Specifications: Dimensions: 277.5 x 119.2 x 27mm | Fans: 2x 120mm Fans | Fan Speed: 300 — 2,450RPM | Noise Level: 30dB(A) | Socket SupportIntel: LGA 1700, 1200, 115X AMD: AM4, AM5 | RGB: Yes

Pros

  • Beautiful RGB aesthetics
  • Ultra-fast 2,450RPM fans
  • Impressive cooling performance
  • Premium build quality
  • Easy installation process
  • Removable pump cover

Cons

  • Expensive
  • Smaller 385mm tube

Cooling Performance: The Lian Li Galahad II Trinity 240mm AIO cooler comes with ultra-fast 2x 120mm fans running at 2,450RPM speeds with an astounding 61.3CFM that helps improve the PC case’s airflow capabilities. During my testing, I observed the temperatures going lower with positive pressure airflow in the chassis.

Build Quality: The AIO cooler also provides premium build quality with a 20 FPI single-layered fin that helps keep the air cool. Furthermore, I loved the brushed aluminum radiator and the copper baseplate on the pump, which helps with heat dissipation. However, I disliked the smaller 385mm tubing that limits installation capabilities.

Aesthetics: Coming in black and white variants, the Lian Li Galahad II Trinity 240mm AIO provides beautiful aesthetics for all consumers with tons of RGB customization properties. Moreover, I loved the removable pump cover that allows for better customization. You can even 3D print a pump cover with your preferred design and install it as you like.

WARNING: Before purchasing the Lian Li Galahad II Trinity 240mm AIO cooler, ensure you can install the radiator in your preferred manner either at the front, top, or back, because the tubing is slightly smaller.

Buy It If

✅ You want lots of RGB customization with ultra-fast fans: If you’re looking for a 240mm AIO cooler with ultra-fast fans and lots of RGB customization capabilities to suit your unique tastes, then I recommend purchasing the Lian Li Galahad II Trinity 240mm AIO because of its 2,450RPM fans and customization ability.

Don’t Buy It If

You’re on a tighter budget: I don’t recommend buying the Lian Li Galahad II Trinity 240mm AIO cooler if you’re on a tighter budget because it comes with a higher price tag without providing the same performance level as its competition, making the purchase less viable for budget gamers.

What Makes It The Best RGB 240mm AIO Cooler?

The Lian Li Galahad Trinity II 240mm AIO cooler has ultra-fast fans, providing outrageous airflow capabilities and premium build quality. The cooler also showcases beautiful A-RGB throughout the fans and the pump, improving its aesthetics. Lastly, multiple color variants improve the cooler’s viability for gamers, making it the best RGB 240mm AIO cooler.

Performance: 8/10 Value: 7/10
Features: 8/10 Design: 10/10

ARCTIC Liquid Freezer II 240 A-RGB

Best Overall 240mm AIO Cooler

Best Overall 240mm AIO Cooler - ARCTIC Liquid Freezer II 240 A-RGB
ARCTIC Liquid Freezer II 240 A-RGB.

Specifications: Dimensions: 277 x 120 x 38mm | Fans: 2x ARCTIC P12 PWM RGB 120mm Fans | Fan Speed: 200 — 1,800RPM | Noise Level: 10.64dB(A) | Socket SupportIntel: LGA 1700, 1200, 115X, 2011-3, 2066 AMD: AM4, AM5 | RGB: Yes 

Pros

  • In-house pump design
  • Included VRM fan
  • Remarkable thermal performance
  • Unmatched value
  • 6 years warranty
  • Low fan noise

Cons

  • No physical manual included
  • Difficult installation

Cooling Performance: The ARCTIC Liquid Freezer II 240 A-RGB AIO cooler is a fantastic cooler, showcasing no bottlenecking issues at full load even with high-end CPUs thanks to its 2x ARCTIC P12 PWM RGB 120mm fans running at 1,800RPM speeds. Furthermore, its pre-applied MX-5 thermal paste helps improve the cooler’s performance.

Astonished by the ARCTIC Liquid Freezer II 240 A-RGB’s outstanding value and performance, I expressed the following in my review:

“The ARCTIC Liquid Freezer II 240 A-RGB is ONE-OF-A-KIND AIO considering its cooling capabilities and excellent performance. It is a good value for money!”

Build Quality: The AIO cooler shows sturdy build quality with fluid dynamic bearing fans, ensuring longevity even with greater usage. Additionally, the fans use anti-vibration pads to reduce fan noise. I also loved the AIO cooler’s aluminum radiator and copper baseplate, increasing its heat dissipation properties.

Aesthetics: Moving to its aesthetics, the ARCTIC Liquid Freezer II 240 A-RGB has a unique look thanks to its in-house pump design that gives a spaceship-like effect. Moreover, the darker rubber tubing helps complement the spaceship effect, while the RGB on the fans improves the overall look of the cooler.

Editor`s Note
Image

Out of all of the competition, I loved the ARCTIC Liquid Freezer II 240 A-RGB AIO cooler the most because of its impeccable design catering a unique in-house pump along with outstanding value and thermal performance, allowing decent overclocking even with high-end CPUs without causing any issues. We have also awarded it the best overall 240mm AIO cooler for these reasons. So, if you have a moderate budget, you won’t regret making this purchase.

– Hayyan Serwer

Buy It If

Here are a few images we took while reviewing the AIO cooler:

✅ You’re looking for the jack of all trades for a lower price: If you’re looking for a 240mm AIO cooler that allows incredible overclocking capabilities while showcasing beautiful and unique aesthetics at a lower price point, then I recommend purchasing the ARCTIC Liquid Freezer II 240 A-RGB AIO cooler.

Don’t Buy It If

You’re new to AIO coolers: I don’t recommend buying this cooler if you’re new to AIOs because the ARCIC Liquid Freezer II 240 A-RGB has a difficult installation process and doesn’t come with a physical manual, making it even more problematic for first-time users.

What Makes It The Best Overall 240mm AIO Cooler?

For consumers who want to get the most out of their systems, the ARCTIC Liquid Freezer ll 240 A-RGB is the perfect option. It is the best overall 240mm AIO cooler due to its great cooling characteristics, improved pump design, and the inclusion of A-RGB fans.

Performance: 9/10 Value: 9/10
Features: 9/10 Design: 9/10

Be Quiet! Silent Loop 2 240mm

Best Silent 240mm AIO Cooler

Best Silent 240mm AIO Cooler - Be Quiet! Silent Loop 2 240mm
Be Quiet! Silent Loop 2 240mm.

Specifications: Dimensions: 274 x 120 x 27mm | Fans: 2x Silent Wings 3 120mm Fans | Fan Speed: 2,200RPM | Noise Level: 17.8dB(A) | Socket SupportIntel: LGA 1700, 1200, 115X, 2011-3, 2066 AMD: AM4, AM5, sTRX4, TR4 | RGB: Yes 

Pros

  • Impressive cooling performance
  • Impressively low noise
  • Subtle RGB
  • Sturdy build quality

Cons

  • Lower overclocking headroom

Cooling Performance: The Be Quiet! Silent Loop 2 240mm AIO cooler has a 3-chamber pump, which helps improve its cooling capabilities. Combine that with its 2x 120mm fans running at 2,200RPM speeds, and you get impressive thermal performance. My testing showed similar results with high-end CPUs at full load.

Build Quality: The AIO cooler’s sleek design provides greater cable management flexibility and helps keep the noise levels to a minimum. I loved the brushed aluminum pump top cover that gives the Be Quiet! Silent Loop 2 240mm has a premium appearance while reducing temperatures.

Aesthetics: Featuring a dark, sleek design, the AIO cooler looks beautiful with slight A-RGB lighting on the pump and around the fans. This AIO cooler will keep you happy if you’re building a stealthier PC and require some RGB. I also loved the tubing that helps compliment the cooler’s looks.

Buy It If

be quiet! Silent Loop 2 360
Be quiet! Silent Loop 2. (Image by Tech4Gamers)

✅ You want a silent cooling solution that won’t thermal throttle your PC: If you’re looking for a 240mm AIO cooler that doesn’t produce as much noise but provides impressive cooling performance to not thermal throttle high-end CPUs, then I recommend purchasing the Be Quiet! Silent Loop 2 240mm AIO.

Don’t Buy It If

You want to achieve greater overclocks: I don’t recommend buying this AIO cooler if you want to achieve higher overclocked boost clocks on your CPU because the Be Quiet! Silent Loop 2 240mm AIO has slightly lower thermal headroom, according to my testing.

What Makes It The Best Silent 240mm AIO Cooler?

The Be Quiet! Silent Loop 2 240mm is our choice for the best silent 240mm AIO cooler as it maintains a high performance while keeping the noise levels to the minimum at the same time. The cooler also showcases beautiful aesthetics and sturdy build quality, improving its overall value.

We have also reviewed the 360mm variant of the AIO cooler:

Performance: 9/10 Value: 9/10
Features: 8/10 Design: 9/10

Benchmarks Of The Best 240mm AIO Coolers

Knowing a CPU cooler’s thermal performance is the most important factor to consider before making a purchase decision. Therefore, after testing various coolers, here are our findings of the best 240mm AIO coolers compared to their competition under similar circumstances.

Why We Didn’t Go For These 240mm AIO Coolers

Our hardware experts have tested countless 240mm AIO coolers, but here are a few honorable mentions that didn’t make the cut for our list and why:

  • NZXT Kraken Z53 RGB: A higher price for lower performance makes it a less viable purchase.
  • DeepCool Castle 240EX: It has an older generation pump, making it less suitable for the latest high-end CPUs.
  • EK AIO 240mm D-RGB: It has been discontinued and doesn’t support LGA 1700 right out of the box.

How We Picked & Selected The Best 240mm AIO Coolers

When it comes to choosing an AIO for your CPU, we always advise our users to consider all factors before making a decision. Choosing an AIO cooler can sometimes be difficult due to the variety of options available, but don’t worry; we’ve collected a list of buying recommendations to help you make an informed decision.

  • Socket Compatibility: Every CPU has a different number of pins, meaning a different socket size. Before choosing a 240mm AIO, make sure it supports your CPU socket. Buying an AIO with the wrong CPU socket compatibility will not work. To check the socket compatibility options for your preferred cooler, visit the manufacturer’s site.
  • TDPKnowing your preferred AIO cooler’s Thermal Design Power is another important factor, as you don’t want the AIO’s TDP to be lower than the CPU’s. Otherwise, you won’t be able to cool your CPU correctly, leading to thermal throttling and lowering your PC’s performance.
  • Noise LevelsSometimes, some users prefer dead silent PCs; that is why we always say to make sure to do your research before purchasing a product with so many moving parts. AIO coolers contain fans and pumps that tend to make a lot of noise at times, and lowering RPM speeds reduces thermal performance, too.
  • Aesthetics: In the end, you can always go for good looks. 240mm AIO coolers are available in countless shapes and designs, from the good-looking Corsair 240mm radiators to the decent and silent be quiet! You can always choose the AIO that best suits your personality.

Frequently Asked Questions

Is 240mm AIO Good For Gaming?

The 240mm radiator isn’t ideal for crazy overclocking, but it will be more than enough for gaming and other tasks.

Can You Overclock On 240mm AIO?

A 240mm radiator will not fail with overclocking, but it will not be at par with a 360mm radiator, which is best suited for overclockers.

What fan sizes can I use for a 240mm radiator?

A 240mm radiator can support up to two 120mm fans on each of its faces.

How effective is a 240mm liquid cooler for a processor?

The 240mm radiator is not as effective as any 280 or 360mm radiator out there, but it will be more than enough for any user out there seeking superior cooling.

How long does a 240mm liquid Cooler last?

An AIO cooler generally has a lifespan of about 3-6 years, so don’t worry. Your 240mm AIO cooler will do you well for many years.

How does a 240mm radiator work?

The heated liquid flows through the tubing from the water block to a radiator. It is then subsequently dispersed from the radiator by fans, which may be installed in a variety of configurations for maximum cooling.

Is 240mm liquid cooling enough for i9 12900K?

Any 240mm AIO will be able to cool down an i9 12900K with a TDP rating of 125W.

Recent Updates


  • February 22, 2024: We have replaced the NZXT Kraken Z53 240mm with the Corsair iCUE H100i Elite Capellix XT due to the latter’s lower pricing for better performance. Similarly, we interchanged the Corsair iCUE H100i Elite Capellix XT with the Lian Li Galahad II Trinity because it has more RGB elements with similar thermal performance in our testing. 
  • August 31, 2023: Few text changes to improve readability. No products were changed.
  • June 6, 2023: Few text changes to improve readability. No products were changed.

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