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    Cooler Master 240 Atmos Stealth High Performance Close-Loop AIO Liquid Cooler, R9|i7 Dual Chamber Pump, Customize Cover, Mobius 120, AMD Ryzen AM5|4, Intel LGA 1851|1700 Platform

    OPEN BOX Product Type
    • Cool for R9|i7: Patented Next Gen Dual Chamber enhances water pressure and optimizes flow directly to the CPU hotspot, for AMD R9 and Intel i7.
    • Minimalist Style: Signature cooling performance in sleek black finish complements any minimalist style.
    • Customizable Top Cover: Customize the pump top cover with your own 3D designs, giving you creative freedom.
    • Fine Tuned Performance: Precision-engineered ultra-thin spade fins optimize microchannels for targeted heat dissipation.
    • Dynamic PWM Fan: A PWM 4-pin header allows adjustable fan speeds from 690 to 2,500 RPM, to balance noise and airflow
    • Simplify Brackets: Redesigned brackets simplify installation on AM5 and LGA 1851|1700 platforms.
    The Open Box Product Disclaimer applies to this product. Please note that this product is non-returnable and non-refundable.
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    Specs

    Learn more about the Cooler Master MasterLiquid 240 Atmos Stealth

    Model
    Brand COOLER MASTER
    Model MasterLiquid 240 Atmos Stealth
    Part Number MLX-D24M-A24PK-R1
    Type Liquid Cooling System
    Block
    Block Compatibility AMD Socket AM4 / AMD Socket AM5 / Intel LGA 1150 / Intel LGA 1151 / Intel LGA 1155 / Intel LGA 1156 / Intel LGA 1200 / Intel LGA 1700 / Intel LGA 1851
    Pump
    Pump Dim. 84.9 x 81 x 53.15 mm
    Pump Noise <25dBA
    Radiator
    Radiator Size 277 x 119.6 x 27.2 mm
    Radiator Material Aluminum
    Fan
    Fan Size 2 Fan Slots (120 mm)
    Fan Dim. 120 x 120 x 25mm
    Bearing Type Loop Dynamic Bearing
    Fan RPM 0~2400RPM +/- 10%
    Fan Air Flow 75.2 CFM (127.6 m3/h)
    Fan Noise 30 dBA
    Fan Connector 4-Pin (PWM)
    Color Black
    LED Color Non LED
    Pressure 3.63 mmH2O (Max)
    Package Contents
    Package Contents 240 Atmos
    Dual 120mm ARGB Fan
    CryoFuze Thermal Paste
    Install Tool Kits for AMD/ Intel
    Manual
    Additional Information
    First Listed on Newegg April 02, 2026

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Return Policies

    • Return for refund within: non-refundable, this item is Final Sale
    • Return for replacement within: non-replaceable, this item is Final Sale
    • This item is covered by Newegg.ca's Final Sale Return Policy.
    • Read full return policy for details.

    Open Box Product Disclaimer

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