Search  for anything...
Cooler Master

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

  • Based on 95 reviews
Condition: New
Checking for the best price...
$94.99 Why this price?
Save $35.00 was $129.99

Buy Now, Pay Later

As low as $15.83 / mo
  • – 6-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: Only 5 left in stock, order soon!
Fulfilled by Amazon
Arrives Sunday, Jul 12
Order within 22 hours and 7 minutes
Available payment plans shown during checkout
Protection Plan Protect Your Purchase
Checking for protection plans...

Recently Viewed

Style: 240 Core II


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 -50C to 250C
  • Frosted Blade Design: Frosted fan blades amplify and diffuse vibrant ARGB lighting for a dynamic glow, fully customizable through motherboard control.
  • Ideal Tubing Length: The 400mm tubing provides flexibility, a hassle-free installation in various chassis configurations.
  • Tube Clips Included: Tube clips are provided to improve and reinforce your cooler setup.

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.

Product Dimensions: 10.9"L x 4.7"W x 1.1"H


Brand: Cooler Master


Power Connector Type: 3-Pin


Voltage: 12 Volts (AC)


Wattage: 12 watts


Cooling Method: Fan, Water


Compatible Devices: Cpu, Desktop


Noise Level: 30 Decibels


Material: Aluminum, Copper, Plastic


Maximum Rotational Speed: 1750 RPM


Power Connector Type: 3-Pin


Voltage: 12 Volts (AC)


Wattage: 12 watts


Cooling Method: Fan, Water


Compatible Devices: Cpu, Desktop


Noise Level: 30 Decibels


Maximum Rotational Speed: 1750 RPM


Air Flow Capacity: 70.5 Cubic Feet Per Minute


Item Dimensions L x W x H: 10.9"L x 4.7"W x 1.1"H


Material Type: Aluminum, Copper, Plastic


Brand Name: Cooler Master


UPC: 884102127151


Warranty Description: 5 Year Manufacturer


Manufacturer: Cooler Master


Number of Items: 1


Model: MLW-D24M-A18PA-R1


Part Number: MLW-D24M-A18PA-R1


Item Weight: 3.19 Pounds


Included Components: 240 Core II, Fans, Install Kit


Unit Count: 1.0 Count


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Jul 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Highly recommend.
Style: 240 Core II
This cooler does a solid job overall. Temps dropped noticeably compared to the stock cooler, and it runs pretty quietly even under load. The aRGB lighting looks clean without being over the top, and installation was straightforward. My only gripe is that the water lines are not quite as long as expected, though this is mostly a build problem with my case. For the price, it’s a dependable liquid cooler that performs well and looks good doing it. The fans seem nice and wuiet as well. I think it will last longer than my older cooler. ... show more
Reviewed in the United States on January 30, 2026 by Chris
    • Di prima classe Di prima classe
Style: 240 Core II
Review Image by D XCXVLLN
I recently upgraded to the Cooler Master 240 Core II AIO CPU Liquid Cooler, and it’s been a game-changer for my build. Installation was a breeze, and the sleek design with the infinity mirror ARGB adds a nice touch. CPU sits at a steady 44°C—impressive for the price! The dual-chamber pump runs quietly, and the 120mm fans keep everything cool without much noise. Highly recommend for anyone looking for solid performance and aesthetics on a budget. ... show more
Reviewed in the United States on September 5, 2025 Reviewed in the United States on September 5, 2025 by D XCXVLLN
    • Great AIO pump
Style: 240 Core II
Great for its price, easy to install
Reviewed in the United States on May 6, 2026 by Fernando Manga
    • The cooler is great, the included thermal paste isn't.
Style: 240 Core II
I'm very happy with the performance and looks of the cooler. It easily mounts to your motherboard (AM4 in my case) and the radiator mounted to the top of my Lian-Li LANCOOL 207 DIGITAL case using the case rails. The only thing I wasn't impressed with was the included thermal paste. The paste is more like thick putty, far thicker than other thermal pastes I've used in the past. Being so thick, I didn't want to just place a blob in the center or even a X of paste on the CPU, so spreading was the only option. I will use something else if I have to re-paste in the future. ... show more
Reviewed in the United States on October 23, 2025 by Mrbill57
    • Fantastic AIO
Style: 240 Core II
Super simple install and dropped my cup temps way down! Very quiet! Best bang for buck!
Reviewed in the United States on April 6, 2026 by Zack Amick
    • Awesome Awesome
Style: 240 Core II
Review Image by Jacob S.
Durable and high quality Quiet at the mirrored RGB effect is SICK No cooling issues
Reviewed in the United States on April 18, 2026 Reviewed in the United States on April 18, 2026 by Jacob S.
    • Cools your CPU & Looks sharp as Hell !
Style: 240 Core II
This cooler is well worth the $$$ it’s looks super sharp in the PC the pictures don’t do this product justice ! And it does it does its job Intel i7 20 core staying nice and cool and I game for hours if not all day no issues great cooler !
Reviewed in the United States on August 18, 2025 by Michael Gonzalez
    • Solid Option
Style: 240 Core II
I've bought three of these for different builds. Works great ones been running regularly for years temps never spike. Great aio.
Reviewed in the United States on January 25, 2026 by Pinky

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...