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Cooler Master MasterLiquid ML240R ARGB Close-Loop AIO CPU Liquid Cooler, 240 Radiator, Dual Chamber Pump, Addressable RGB Lighting, Dual MF120R Fans for AMD Ryzen/Intel LGA1200/1151

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In stock.
Ships from Canada.
Most customers receive within 5-9 days.
  • Single Radiator
  • Dual Radiator
  • Triple Radiator
  • 1 Fan Slot (120mm)
  • 2 Fan Slots (120mm)
  • 3 Fan Slots (120mm)
  • Black
  • Silver
  • ML120R
  • ML240R
  • ML360R
  • ML360P Silver Edition
  • 240mm Radiator Low: Profile Dual Chamber Addressable RGB pump with Dual Addressable RGB Fans for Push and Pull Air Flow
  • Addressable RGB Fans and Pump - Color option can be controlled through Cooler Master software CM Plus
  • Includes 1-to-3 Addressable RGB Splitter cable for multiple ARGB Fans
  • Includes: Wired Addressable RGB Controller for non RGB Motherboards for customize colors
  • Sleeved FEP Tubing's - Sleek Black Outer Sleeves with FEP Tubing's inside for Durable Lasting and Flexibility
Cooler Master

Custom, Inside and Out

The MasterLiquid's dual-chamber pump outperforms its single-chamber predecessors in heat transfer. The MasterFan Air Balance fans work with our characteristically sturdy build quality to keep your build as quiet as a library.

Cooler Master

Addressable-RGB LEDs

Independently-controlled RGB LEDs on the pump and fan offer full color customization, controllable through our software, MasterPlus+.

Cooler Master


Our low-profile, dual-chamber pump enhances performance and durability over our last gen single-chamber designs.

Cooler Master

Dual MasterFans

Avoid dynamic losses—dual MasterFans maximize your build's air intake.

Cooler Master

Sleeved FEP Tubing

Underneath sleek black sleeves, FEP material beats rubber tubing in keeping liquid where it belongs – inside the cooler.

Cooler Master

Adjustable Pump Cap

Remove and adjust the pump's cap to compliment your build's orientation.

Cooler Master

Addressable-RGB Ready

1-to-3 A-RGB splitter and proprietary wired A-RGB controller included, allowing you to customize your colors even without an RGB motherboard.


  Cooler Master
MasterLiquid ML240R RGB
Cooler Master
MasterLiquid ML120R RGB
Product Number MLX-D24M-A20PC-R1 MLX-D12M-A20PC-R1
CPU Socket Intel LGA 2066, 2011-v3, 2011, 1151, 1150, 1155, 1156, 1366, 775
AMD AM4, AM3+, AM3, AM2+, AM2, FM2+, FM2, FM1
Intel LGA 2066, 2011-v3, 2011, 1151, 1150, 1155, 1156, 1366, 775
AMD AM4, AM3+, AM3, AM2+, AM2, FM2+, FM2, FM1
Material Aluminum Aluminum
Dimensions 277 x 119.6 x 27 mm 157 x 119.6 x 27 mm
Dimensions 120 x 120 x 25 mm 120 x 120 x 25 mm
Quantity 2 2
Speed 650–2000 RPM (PWM) ±10% 650–2000 RPM (PWM) ±10%
Air Flow 66.7 CFM, max 66.7 CFM, max
Air Pressure 2.34 mmH2O 2.34 mmH2O
MTTF 160,000 hours 160,000 hours
Noise Level 6–30 dBa 6–30 dBa
Connector 4-Pin (PWM) 4-Pin (PWM)
Rated Voltage 12 VDC 12 VDC
Dimensions 83.6 x 71.8 x 52.7 mm 83.6 x 71.8 x 52.7 mm
MTTF 70,000 hours 70,000 hours
Noise Level < 15 dBA < 15 dBA
Connector 3-Pin 3-Pin
Rated Voltage 12 VDC 12 VDC
Warranty 2 Years 2 Years
Compatible Motherboards
ASUS AURA SYNC Motherboards ROG Maximus X Formula, Code, Hero (Wi-Fi AC), Hero
ROG Strix Z370-E Gaming, Z370-F Gaming, Z370-I Gaming, X299-XE Gaming,
X299-E Gaming, X399-E Gaming, X370-I Gaming
ROG Zenith Extreme, Crosshair VI Extreme
Rampage VI Extreme, Prime X299-Deluxe
MSI Motherboards Z370 Godlike Gaming, Gaming Pro Carbon AC, Gaming Pro Carbon
Z370I Gaming Pro Carbon AC
ASRock Launching in May.

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details

Return Policies