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Cooler Master 240 Core II Liquid CPU AIO Cooler – 240mm Radiator, Dual ARGB PWM Fans, Infinity Mirror Dual-Chamber Pump, Low Noise Cooling & Easy Installation, AMD AM5/AM4 & Intel LGA 1851/1700, Black
Cooler Master

Cooler Master 240 Core II Liquid CPU AIO Cooler

Bottom line: The Cooler Master 240 Core II Liquid CPU AIO Cooler ($59.99 on Amazon as of 2026-10-06): G9R dual-chamber pump targets the CPU hotspot directly; main trade-off: 240mm radiator, so no 280mm or 360mm option here.

$59.99

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ G9R dual-chamber pump targets the CPU hotspot directly
  • ✓ PWM fans spin 650-1,750 RPM for quiet idle
  • ✓ 400mm tubing fits most mid-tower routings
  • ✓ CryoFuze paste and tube clips included in box

Cons

  • ✗ 240mm radiator, so no 280mm or 360mm option here
  • ✗ ARGB needs motherboard headers, no bundled controller
  • ✗ Brackets cover AM5/AM4 and LGA 1851/1700 only
  • ✗ No LGA 1200 or Threadripper support listed

Manufacturer description

Building on the success of the MasterLiquid series, Cooler Master introduces the redesigned MasterLiquid 240 Core II. Featuring a refined G9R dual-chamber pump for quieter performance and expanded CPU compatibility for versatile builds, the Core II elevates liquid cooling to the next level. Its infinity mirror pump cover, upgraded fans, and optimized tubing ensure easy installation and superior aesthetics. Experience modern cooling power with the MasterLiquid 240 Core II, a blend of performance and sleek design.

SpecPicks Verdict

SpecPicks scored Cooler Master 240 Core II Liquid CPU AIO Cooler using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. Cooler Master's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Cool for Ryzen 7 | Ultra 7: G9R Gen Dual-Chamber design boosts water flow to the CPU hotspot for peak cooling on AMD Ryzen 7 and Intel Ultra 7 CPUs
  • Infinity Mirror Design: The infinity mirror delivers a stunning ARGB lighting upgrade to any gaming PC, fully customizable through motherboard control.
  • Quiet Cooling Fan: Dynamic PWM (650 to 1,750) Fan, optimized for quiet operation and cooling performance.
  • Easy Installation: Compatible brackets for quick and easy installation on AM5|4 and LGA 1851|1700 platforms.
  • CryoFuze Thermal Paste: The included CryoFuze paste provides excellent thermal conductivity, maintaining stable temperatures from -50°C to 250°C
  • Frosted Blade Design: Frosted fan blades amplify and diffuse vibrant ARGB lighting for a dynamic glow, fully customizable through motherboard control.

Full Specifications

BrandCooler Master
ModelMLW-D24M-A18PA-R1
Voltage12 Volts (AC)
Wattage12 watts
MaterialAluminum, Copper, Plastic
Unit Count1.0 Count
Noise Level30 Decibels
Part NumberMLW-D24M-A18PA-R1
CompatibilityPC
Material TypeAluminum, Copper, Plastic
Cooling MethodFan, Water
Number of Items1
Air Flow Capacity70.5 Cubic Feet Per Minute
Easy InstallationCompatible brackets for quick and easy installation on AM5|4 and LGA 1851|1700 platforms.
Quiet Cooling FanDynamic PWM (650 to 1,750) Fan, optimized for quiet operation and cooling performance.
Compatible DevicesCpu, Desktop
Ideal Tubing LengthThe 400mm tubing provides flexibility, a hassle-free installation in various chassis configurations.
Included Components240 Core II, Fans, Install Kit
Tube Clips IncludedTube clips are provided to improve and reinforce your cooler setup.
Frosted Blade DesignFrosted fan blades amplify and diffuse vibrant ARGB lighting for a dynamic glow, fully customizable through motherboard control.
Full listing titleCooler Master 240 Core II Liquid CPU AIO Cooler – 240mm Radiator, Dual ARGB PWM Fans, Infinity Mirror Dual-Chamber Pump, Low Noise Cooling & Easy Installation, AMD AM5/AM4 & Intel LGA 1851/1700, Black

Ready to buy?

Cooler Master 240 Core II Liquid CPU AIO Cooler – 240mm Radiator, Dual ARGB PWM Fans, Infinity Mirror Dual-Chamber Pump, Low Noise Cooling & Easy Installation, AMD AM5/AM4 & Intel LGA 1851/1700, Black is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $59.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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