Skip to main content
Cooler Master MasterLiquid ML240R RGB 120mm Liquid CPU Cooler w/Controller
Cooler Master

Cooler Master MasterLiquid ML240R RGB 120mm Liquid CPU Cooler w/Controller

Status: Cooler Master MasterLiquid ML240R RGB 120mm…: Unavailable on Amazon as of . SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

Bottom line: The Cooler Master MasterLiquid ML240R RGB 120mm Liquid CPU Cooler: Pre-filled closed loop: no coolant filling, bleeding or custom tubing; main trade-off: needs a case with a 240mm radiator mount; check clearance first.

Unavailable on Amazon as of

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Currently unavailable on Amazon. Not the same product — an in-stock alternative:

Similar: Cooler Master MF120 Lite Black Case — $6.98 on Amazon as of 2026-10-06 16:29 UTC (price may vary).

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.

Pros & Cons

Pros

  • ✓ Pre-filled closed loop: no coolant filling, bleeding or custom tubing
  • ✓ 240mm radiator with 120mm fans moves heat to a case fan mount
  • ✓ RGB controller included, so no separate lighting hub to buy
  • ✓ Frees space around the socket and RAM slots vs. tall tower coolers
  • ✓ Fans, lighting and controller come as one kit

Cons

  • ✗ Needs a case with a 240mm radiator mount; check clearance first
  • ✗ Pump is an extra moving part and noise source an air cooler lacks
  • ✗ Controller adds another device and more cables to route
  • ✗ Listing omits socket support and warranty terms; verify first

Manufacturer description

The Cooler Master MasterLiquid ML240R RGB is an all-in-one liquid CPU cooler with a 240mm radiator, 120mm fans and an RGB controller in the box. If you are moving up from a stock air cooler, an AIO like this carries CPU heat to a radiator mounted on the case. That leaves more room around the socket and RAM slots than a large tower heatsink. The loop is closed and comes pre-filled. You mount the pump block on the CPU, fit the radiator to a 240mm fan position, and connect the fans and lighting. You never fill or bleed coolant. The included controller is what makes this the RGB version: you can…

SpecPicks Verdict

SpecPicks scored Cooler Master MasterLiquid ML240R RGB 120mm Liquid CPU 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.

Frequently Asked Questions

What radiator size does the Cooler Master ML240R RGB use?

It uses a 240mm radiator made for 120mm fans. Your case needs a 240mm radiator mount, usually on the top or front panel.

Does the ML240R RGB come with an RGB controller?

Yes. This version ships with an RGB controller, so you can manage the cooler's lighting without buying a separate hub.

Will the ML240R RGB fit my CPU socket?

Socket support is not stated in this listing. Check the Cooler Master product page for part number MLXD24MA20PCR1 to confirm it includes your Intel or AMD socket.

Do I need to add coolant to the ML240R RGB?

No. It is an all-in-one closed-loop cooler that comes pre-filled. You mount the pump block, fit the radiator and connect the fans. There is no filling or bleeding.

What warranty does the Cooler Master ML240R RGB have?

Warranty terms are not included in this listing. Check the product listing or Cooler Master's support site for current warranty coverage before you buy.

Key Features

  • Product for demanding players
  • Irreproachable manufacturing quality
  • Exceptional immersion

Full Specifications

BrandCooler Master
ModelMLX-D24M-A20PC-R1
Voltage12 volts
Wattage260 watts
MaterialCopper, Rubber
Unit Count1 Count
Part NumberMLX-D24M-A20PC-R1
Material TypeCopper, Rubber
Cooling MethodWater
Item Type NameML240R RGB
Number of Items1
Compatible DevicesDesktop
Power Connector Type4-Pin
Warranty Description2 Years
Maximum Rotational Speed2000 rpm
Item Dimensions L x W x H13.27"L x 11.02"W x 5.55"H
Global Trade Identification Number04719512064825

Ready to buy?

Cooler Master MasterLiquid ML240R RGB 120mm Liquid CPU Cooler w/Controller 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.

Check price on Amazon →

Related Cooling & Fans

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →