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Cooler Master 240 Atmos High Performance Close-Loop AIO Liquid Cooler, R9|i7 Dual Chamber Pump, Customize Cover, Sickleflow Edge PWM, aRGB Lighting, AMD Ryzen AM5|4, Intel LGA 1851|1700 Platform
Cooler Master

Cooler Master 240 Atmos High Performance Close-Loop AIO Liquid Cooler, R9|i7 Dual Chamber Pump, Customize Cover, Sickleflow Edge PWM, aRGB Lighting, AMD Ryzen AM5|4, Intel LGA 1851|1700 Platform

4.6(118 reviews, all variants)
entry plus$100-$149
#64 in Water Cooling Systems
material
Aluminum, Copper, Plastic
connector
3-Pin
compatible
Desktop
cooling method
Water

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Our AI advisor analyzes real-time pricing across all channels to find you the best deal.

AI Verdict

This 240mm AIO with a patented dual-chamber pump targets AMD R9 and Intel i7 CPUs, offering a 3D-printable pump cover for personalization.

Strong Fit

This AIO is a strong fit for users with high-performance AMD R9 or Intel i7 processors due to its patented dual-chamber pump design optimized for these CPUs. The customizable 3D-printable pump cover also caters to users who prioritize aesthetic personalization.

If you need more cooling capacity for extreme overclocking or hotter CPUs, look for a 360mm AIO with a larger radiator surface area.

Regret Score™

Very Low Risk

Lower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity

18/100
vs. 1,285 Power & Cooling we've analyzedSafer than 82%
Hidden Defects
9/35

Issues discovered after purchase

Achilles' Heel
0/25

Critically weak dimension

Expectation Gap
7/20

Amazon rating vs actual quality

Fit Risk
2/20

Chance this product isn't for you

BuyChoice Score
3.9

Pros

  • Patented Next Gen Dual Chamber pump enhances water pressure and optimizes flow directly to the CPU hotspot for R9 and i7 processors.
  • Pump top cover is customizable with 3D designs and features aRGB Gen 2 lighting.
  • Pre-installed SickleFlow Edge 120mm fans deliver premium airflow with optimized PWM blades.
  • Redesigned brackets simplify installation on AM5 and LGA 1851/1700 platforms.
  • Constructed with 35% recyclable metal and a pump top cover made from recycled plastic, with 30% reduced packaging.
  • Includes tube clips for improved cable management and strengthening the cooler setup.

Cons

  • Customizable pump cover requires access to a 3D printer for unique designs, which is not a universal tool.
  • The MasterCTRL software, while mentioned for an optimized user experience, lacks specific details on its features or user reception in available information.
  • Specific user-reported cooling performance metrics (e.g., delta T over ambient) for R9 or i7 CPUs are not detailed in the available product information or search results.
  • The product's stated pump noise level is <25dBA, which is a specification but lacks comparative user feedback on perceived noise during operation.

Dimension Scores

Efficiency & Output8/10

The patented Next Gen Dual Chamber pump is specifically designed to enhance water pressure and optimize flow to CPU hotspots for R9 and i7 processors.

Noise Level7/10

The SickleFlow Edge fans are marketed for exceptionally silent performance, and the pump noise is specified at <25dBA.

Build Quality7/10

The cooler features aluminum and copper materials, and the pump housing is engineered with PPS and fiberglass for durability.

Cable Management7/10

Tube clips are included to improve and strengthen the cooler setup and can also fix ARGB or PWM cables.

Best For

  • PC builders targeting high-end AMD R9 or Intel i7 CPUs needing efficient liquid cooling.
  • Users who want to personalize their PC build with unique 3D-printed pump cover designs.
  • Enthusiasts prioritizing eco-friendly components, given the recyclable materials and reduced packaging.

Not Recommended For

  • Users seeking a plug-and-play aesthetic without engaging in 3D printing for customization.
  • Budget-conscious builders, as this is positioned for high-performance CPUs and features.

Watch Out For

  • The customizable pump cover requires users to have access to 3D printing capabilities to fully utilize the personalization feature.
  • While compatible with a wide range of sockets, the primary cooling optimization is for R9 and i7, potentially offering less benefit on lower-tier CPUs.
  • Specific user feedback regarding the long-term performance or potential issues with the MasterCTRL software is not readily available in search results.

Full Specifications

UPC884102112263
ASINB0CK564T94
BrandCooler Master
MaterialAluminum, Copper, Plastic
Item Weight3.19 pounds
Noise Level25 Decibels
ManufacturerCooler Master
Cooling MethodWater
Number of Items1
Air Flow Capacity70.7 Cubic Feet Per Minute
Item model numberMLX-D24M-A25PZ-R1
Compatible DevicesDesktop
Product Dimensions10.91"L x 4.71"W x 1.07"H
Power Connector Type3-Pin
Maximum Rotational Speed2500 RPM

What Buyers Say

Specific user feedback and detailed complaints for the Cooler Master 240 Atmos (ASIN B0CK564T94) were not extensively found in the search results. The product holds a 4.6/5 rating from 118 reviews on Amazon, indicating a generally positive reception. Without specific user-reported details, it's difficult to pinpoint recurring praise or complaints beyond the manufacturer's claims. The focus appears to be on its dual-chamber pump design and the unique customizable pump cover.

“Look, if you're building a rig with a serious R9 or i7 and want to make it *yours* with a custom pump cover, this AIO is definitely worth checking out. It's got the tech for those chips.”

Common Praise

  • The dual-chamber pump design is engineered for efficient cooling of high-performance CPUs.
  • The customizable pump top cover with aRGB Gen 2 lighting offers unique aesthetic options.
  • Pre-installed SickleFlow Edge fans aim for quiet operation and effective airflow.
  • Installation is simplified with redesigned brackets for modern CPU sockets.

Common Complaints

  • The need for 3D printing to fully utilize the customizable pump cover might be a barrier for some users.
  • Specific user-reported temperature benchmarks or noise levels under load for R9/i7 CPUs are not readily available in the search results.
  • Details on the MasterCTRL software's functionality and user experience are limited in available information.

Ownership Tips

  • The 'Going Green' initiatives, like recycled plastic in the pump cover and reduced packaging, are a tangible benefit beyond just performance.
  • The included tube clips are a small but helpful detail for keeping the tubing and cables tidy inside the case.
  • While the 3D-printable cover is cool, actually designing and printing something takes effort and access to the right tools.
  • The pre-applied thermal paste (CryoFuze) means one less thing to buy or worry about during installation.

Frequently Asked Questions

What CPU sockets is the Cooler Master 240 Atmos compatible with?

It is compatible with AMD Socket AM4 and AM5, and Intel LGA 1150, 1151, 1155, 1156, 1200, 1700, and 1851 platforms.

Can I really customize the pump cover?

Yes, the pump top cover is designed to be customizable with your own 3D designs, and it features aRGB Gen 2 lighting.

What kind of fans does it use?

It comes with two pre-installed SickleFlow Edge 120mm fans, which are designed for premium airflow with optimized PWM blades.

Is installation difficult?

Cooler Master states that redesigned brackets simplify installation on AM5 and LGA 1851/1700 platforms.

Does it come with thermal paste?

Yes, CryoFuze Thermal Paste is included in the package.

Buying Guide

When you're looking at an AIO liquid cooler, you're essentially buying a self-contained cooling system for your CPU. It's designed to pull heat away from your processor more effectively than air coolers, especially for high-performance chips. Pay attention to the radiator size (like this 240mm model), as that dictates how much heat it can dissipate, and fan quality, which impacts both cooling and noise.

Dual Chamber Pump

This isn't just marketing; a dual-chamber design separates the hot and cold coolant, which can improve cooling efficiency by preventing mixing and directing flow more precisely to the CPU's hottest spots, especially important for powerful CPUs like R9 and i7.

240mm Radiator

The '240' refers to the length of the radiator in millimeters (it holds two 120mm fans). A larger radiator means more surface area to dissipate heat, so a 240mm is a step up from a single 120mm and a common choice for many gaming and workstation builds.

aRGB Lighting

This means 'addressable RGB,' allowing you to control individual LEDs on the fans and pump cover for more complex and dynamic lighting effects compared to standard RGB, which only controls colors uniformly.

Alternatives

If this 240mm model isn't enough, look for AIOs with 360mm or even 420mm radiators for increased cooling capacity, or consider custom loop solutions for ultimate thermal performance.

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