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Cooler Master Atmos II Stealth 360 AIO Liquid CPU Cooler, Thicker Radiator, AMD AM5/AM4 & Intel LGA1851/1700 Support Cooler, 360mm, VRM Cooling Fan, Mobius 120P Fan Cybenetics AF Titanium SP Platinum
- Dedicated VRM Cooling: Six-direction airflow helps cool motherboard power components, lowering VRM temperatures by up to 10.2C for improved stability.
- 29mm Thick Radiator: Thicker radiator design increases heat dissipation for lower CPU temperatures and stable cooling.
- Mobius 120P Fan: High static pressure and up to 190 CFM airflow push more air through the radiator while keeping operation quiet.
- Patented Dual-Chamber Pump: Up to 3,400 RPM helps move coolant directly to CPU hot spots for faster heat transfer and consistent cooling.
- Built To Last: Industrial-grade EPDM tubing helps reduce coolant loss over time.
- Advanced Copper Cold Plate: Ultra-thin fins and optimized microchannels help move heat away from the CPU faster for efficient cooling.
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Overview
Specs
Reviews (2)
Warranty & Returns
Warranty, Returns, And Additional Information
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- Return for refund within: 30 days
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Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-888-624-5099
- Support Email: customersupport@coolermaster.com
- Support Website
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The Cooler Master Atmos II Stealth 360 is a 360mm all-in-one liquid CPU cooler with a 29mm-thick radiator, three Mobius 120P fans, and a 3,400 RPM dual-chamber pump, suited to builders seeking strong CPU cooling and dedicated VRM airflow in a compatible case.
Recommended For
- Builders running a heat-intensive CPU for long gaming sessions or sustained workstation tasks who want a 360 mm liquid cooler; a review tested this model with a Core i9-13900K during gaming workloads.
- People building a dark, understated PC who prefer a non-LED cooler over illuminated pump or fan effects; Cooler Master positions the Stealth model as an all-black, non-LED design.
- Builders using an AIO who want added airflow around motherboard power components near the CPU socket; the included VRM-fan module is intended to direct air across that area.
- PC builders with a case that supports a 360 mm radiator and a compatible AM4, AM5, or listed Intel socket who want preinstalled radiator fans and a bundled liquid-cooling setup.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | AIO water-and-fan cooling for desktop CPUs using the listed AMD and Intel sockets |
| Cooling System And Compatibility | AIO liquid cooler compatible with AMD AM4 and AM5 and Intel LGA 1150, 1151, 1155, 1156, 1200, 1700, and 1851 sockets |
| Pump | 3400 ± 300 RPM pump speed with maximum noise of 25 dBA |
| Radiator | 394 mm aluminum radiator |
| Fans | Three 120 mm fan slots, with fan speeds of 690–2500 RPM ± 15%, airflow up to 190 CFM, loop dynamic bearings, and a 7-pin connector |
| Tubing | 400 mm tubing |
| Appearance And Weight | Black, non-LED design; item weight 3.7 lb |
| Model Identifiers | Cooler Master MasterLiquid, model/part number MLX-D36M-A24DK-R1 |