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Cooler Master
Item#:
9B-35-103-391
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Cooler Master Atmos II Stealth 240 AIO Liquid CPU Cooler, Thicker Radiator, AMD AM5/AM4 & Intel LGA1851/1700 Support Cooler, 240mm, VRM Cooling Fan, Mobius 120P Fan Cybenetics AF Titanium SP Platinum
Item #: 9B-35-103-391
Mfr. Part #: MLX-D24M-A24DK-R1
UNSPSC: 43201538
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Size:
240mm
240mm
360mm
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
(1)
Learn more about the Detailed Specifications
Model
Brand
COOLER MASTER
Series
MasterLiquid
Part Number
MLX-D24M-A24DK-R1
Type
AIO
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 Speed
3400 ± 300 RPM
Pump Noise
25 dBA (Max)
Radiator
Radiator Size
277 mm
Radiator Material
Aluminum
Fan
Fan Size
2 Fan Slots (120 mm)
Bearing Type
Loop Dynamic Bearing
Fan RPM
690 ~ 2500 RPM ± 15%
Fan Connector
7 Pin
LED Color
Non LED
Tube
Tube Dim.
350 mm
Manufacturer Warranty
Parts
6 Years
Labor
6 Years
Details
Sports Team
NO
Additional Information
First Listed on Newegg
September 01, 2026
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Limited Warranty period (parts): 2 years
Limited Warranty period (labor): 2 years
Return Policies
Return for refund within: 30 days
Return for replacement within: 30 days
Restocking Fee: Yes
This item is covered by NeweggBusiness.com's Standard Return Policy.
Read full return policy for details.
Manufacturer Contact Info
Manufacturer Product Page
Manufacturer Website
Support Phone: 1-888-624-5099
Support Email:
[email protected]
Support Website
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