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  5. Cooler Master

  6. Item#: N82E16835103382

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    Cooler Master Atmos II 360 VRM AIO CPU Liquid Cooler - 360mm Radiator with VRM Cooling Fan, 3x ARGB PWM Fans, Dual-Chamber Pump, Low Noise, AMD AM5/AM4 & Intel LGA 1851/1700, Black

    (9)(1) Write a Review
    • Black LCD Display
    • Black VRM Fan
    • Precision VRM Cooling: Cooler Master Lab testing shows up to 10.2C reduction across critical components, helping ensure consistent performance.
    • Dual Cover Styles: Two decorative top covers are included and attach magnetically, so you can switch styles in seconds. Availability may vary by model.
    • Engineered for Simplicity: Wiring is hidden inside the tubes, and all fans connect via a single cable for a cleaner, faster, and smarter build.
    • Dual Chamber Design: Our latest patented dual chamber design has been refined for enhanced cooling synergy. The new design increases water pressure and optimizes water flow directly to CPU hot spot.
    • Built to Endure: Engineered with PPS and fiberglass for superior strength and heat resistance, the Atmos II pump endures 70C for 3,000 hours and 120C for 12 hours for lasting performance.*
    • Offset Mounting Brackets for LGA 1851: Different CPUs have different hotspots. For LGA 1851**, use the included offset brackets to reduce temps by up to 4C at the core.*
    • Quick and Easy Installation: Pre-installed fans and a streamlined mounting system simplify setup across all major CPU platforms.
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    Overview
    Specs
    Reviews (9)

    Precision VRM Cooling

    Cooler Master Lab testing shows up to 10.2°C reduction across critical components, helping ensure consistent performance.*

    Cooler Master Atmos II 360 VRM Fan FreeForm 2.0 AIO CPU Liquid Cooler

    * Cooling results may vary depending on system configuration. Testing completed at Cooler Master Labs.

    Dual Cover Styles

    Two decorative top covers are included and attach magnetically, so you can switch styles in seconds. Availability may vary by model.

    Cooler Master Atmos II 360 VRM Fan FreeForm 2.0 AIO CPU Liquid Cooler

    Community Customization

    Download design files to 3D print your own pump covers, faceplates, or labels - Customize your cooler, your way.

    Cooler Master Atmos II 360 VRM Fan FreeForm 2.0 AIO CPU Liquid Cooler

    Dual Chamber Design

    Our latest patented dual chamber design has been refined for enhanced cooling synergy. The new design increases water pressure and optimizes water flow directly to CPU hot spot.

    Cooler Master Atmos II 360 VRM Fan FreeForm 2.0 AIO CPU Liquid Cooler

    Built to Endure

    Engineered with PPS and fiberglass for superior strength and heat resistance, the Atmos II pump endures 70°C for 3,000 hours and 120°C for 12 hours for lasting performance**.

    Cooler Master Atmos II 360 VRM Fan FreeForm 2.0 AIO CPU Liquid Cooler

    ** Cooling results may vary depending on system configuration. Testing completed at Cooler Master Labs.

    Offset Mounting Brackets for LGA 1851

    Different CPUs have different hotspots. For LGA 1851***, use the included offset brackets to reduce temps by up to 4°C at the core.

    Cooler Master Atmos II 360 VRM Fan FreeForm 2.0 AIO CPU Liquid Cooler

    *** Please check whether your motherboard is compatible with this offset bracket.

    Quick and Easy Installation

    Pre-installed fans and a streamlined mounting kit make setup fast and compatible with most modern processors.

    Cooler Master Atmos II 360 VRM Fan FreeForm 2.0 AIO CPU Liquid Cooler

    Engineered for Simplicity

    Wiring is hidden inside the tubes, and all fans connect via a single cable for a cleaner, faster, and smarter build.

    Cooler Master Atmos II 360 VRM Fan FreeForm 2.0 AIO CPU Liquid Cooler

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

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

    Return Policies

    Manufacturer Contact Info

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    The Cooler Master Atmos II 360 VRM is a 360mm-class AIO liquid CPU cooler with dedicated VRM cooling, suited to builders who want to cool a compatible AMD AM4/AM5 or Intel LGA 1851/1700 system while adding airflow around motherboard power components.

    Recommended For

    • Builders running a high-heat CPU through sustained workloads—such as rendering, compiling, or long gaming sessions—who want a tested 360 mm AIO with cooling headroom under continuous load.
    • PC builders whose motherboard socket area needs extra airflow, especially in builds with high CPU power draw or limited airflow around the VRM heatsinks; testing found the VRM fan lowered VRM heatsink surface temperature by about 10°C in that test setup.
    • AM5 or Intel LGA 1851 builders who want a 360 mm liquid cooler with a simplified build process, including pre-installed radiator fans and consolidated fan wiring.
    • Enthusiast builders who want a clean-looking, customizable pump cover as well as CPU cooling; the Atmos II lineup offers interchangeable cover options, while this listing specifies the VRM-fan version.

    Real-World Use Scenarios

    • When rendering video or running long CPU-heavy workloads, a builder can use the 360mm Atmos II to manage sustained processor heat; testing of the Atmos II 360 shows it performing well in CPU cooling tests, though results depend on the CPU, case airflow, and fan settings.
    • For a gaming PC with a high-end CPU, the cooler provides liquid cooling through demanding play sessions while the three radiator fans help move heat out of the case; actual temperatures and noise vary with the game, CPU, and case setup.
    • In a build where motherboard VRM temperatures are a concern, the pump-mounted VRM fan directs airflow toward the socket area; its practical benefit is most relevant under heavier loads and depends on the motherboard and surrounding airflow.
    • When assembling a new PC, a builder can install the cooler with its fans already attached and route fewer visible fan wires, making radiator installation and cable management more straightforward; the case still needs room for a 360mm radiator.
    • For a system built around an Intel LGA 1851 processor, the included offset mounting brackets let the installer position the cooler for that platform; the expected temperature benefit can vary by CPU and installation.

    Spec Summary

    AttributeValue
    Best ForAIO liquid cooling for compatible AMD and Intel desktop CPU builds, with a 394 mm radiator and three 120 mm fan slots
    CPU CompatibilityAMD Socket AM4 and AM5; Intel LGA 1150, 1151, 1155, 1156, 1200, 1700, and 1851
    PumpDual-chamber AIO pump rated at 3400 ± 3400 RPM and 25 dB(A), measuring 3.6 × 3.4 × 1.5 inches
    Radiator And Tubing394 mm aluminum radiator with 400 mm tubing
    Fans And AirflowThree 120 mm fans with loop dynamic bearings; 690–2500 RPM ± 15%, up to 190 CFM airflow, and 38.5 dB(A) noise
    Lighting And Fan ConnectionARGB lighting with a 7-pin PWM/ARGB fan connector
    Physical DetailsBlack; fan dimensions are 14.2 × 4.8 × 1 inch; item weight is 3.1 pounds
    Included ComponentsAtmos II 360 VRM, SickleFlo2 360 fan, dual pump cover, manual, and installation kit
    Model IdentifiersCooler Master; model/part number MLX-D36M-A25SZ-V1