Description
The Cooler Master MasterLiquid Atmos Stealth represents the pinnacle of All-In-One liquid cooling evolution, focusing on extreme silence and sustainable design. Featuring a signature dual-chamber pump and pre-installed SickleFlow Edge fans, this cooler balances high static pressure with low acoustic output. Its "Stealth" moniker reflects both its matte black finish and its whisper-quiet operation, making it a premier choice for high-end desktop builds.
This product is for:
- PC Enthusiasts: Users seeking a clean, non-RGB aesthetic without sacrificing thermal performance for high-TDP CPUs.
- Content Creators: Professionals requiring a silent workspace during heavy video rendering or 3D modeling tasks.
- Next-Gen Builders: Early adopters of Intel LGA 1851 or AMD AM5 platforms looking for guaranteed out-of-the-box compatibility.
- Eco-Conscious Users: Consumers who value sustainable manufacturing and reduced packaging waste in their hardware choices.
- Overclockers: Gamers pushing their silicon limits who need the 360mm radiator's 75.2 CFM airflow and 3.63 mmH2O static pressure.
Detailed specifications:
- Radiator Dimensions (360mm): 394 x 119.2 x 27.2 mm
- Radiator Dimensions (240mm): 277 x 119.2 x 27.2 mm
- Pump Speed: 3400 RPM ± 10% at <25 dBA noise level
- Fan Performance: 0-2400 RPM, 75.2 CFM airflow, 3.63 mmH2O static pressure
- Bearing Type: Loop Dynamic Bearing (LDB) with >200,000 hours MTTF
- Socket Support: Intel LGA 1851/1700/1200/115x; AMD AM5/AM4
- Warranty: 5-Year limited manufacturer coverage
Installing the MasterLiquid Atmos Stealth is a streamlined process thanks to the intuitive mounting hardware and pre-applied thermal compound. In real-world testing, the dual-chamber pump effectively isolates heat, preventing thermal soak during prolonged gaming sessions. The SickleFlow Edge fans operate with a refined acoustic profile; even at 2400 RPM, the noise remains a low-frequency hum rather than a high-pitched whine. The customizable pump top allows for 3D-printed modifications, offering a unique level of personalization for a stealth-focused unit.
Compared to the previous MasterLiquid Illusion series, the Atmos Stealth prioritizes thermal density and acoustic refinement over flashy lighting. While the Illusion focuses on visual flair, the Atmos provides a significant jump in static pressure (3.63 mmH2O vs 2.5 mmH2O), making it more effective at pushing air through dense radiator fins. Against competitors like the Corsair iCUE H150i, the Atmos Stealth offers a more sustainable build approach and a higher pump MTTF of 210,000 hours, ensuring long-term reliability for workstation environments.
Q&A:
- Does the MasterLiquid Atmos Stealth support the new Intel LGA 1851 socket? Yes, it is fully compatible with Intel LGA 1851 and LGA 1700 out of the box.
- How loud is the pump during maximum operation? The pump is rated at a maximum of 25 dBA, making it virtually inaudible inside a standard chassis.
- Can I customize the appearance of the pump head? Yes, the Atmos series features a removable top cover that supports custom 3D-printed designs.
- What is the expected lifespan of the included fans? The SickleFlow Edge fans use Loop Dynamic Bearings rated for over 200,000 hours of operation.
- Is the 240mm version sufficient for an Intel Core i9 or Ryzen 9? While the 240mm performs well, the 360mm version is recommended for i9/R9 processors to maintain lower fan speeds under full load.
