Cooler Master

Cooler Master 120L Core AIO CPU Liquid Cooler

Name: Cooler Master 120L Core AIO CPU Liquid Cooler – 120mm Radiator, Patented Gen S Dual Chamber Pump, PWM Fan, White LED Pump Lighting, High Performance
Brand: Cooler Master
SKU: B0CDF9343N

Status: Cooler Master 120L Core AIO CPU Liquid Cooler: Unavailable on Amazon as of 2026-10-19 22:20 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The Cooler Master 120L Core AIO CPU Liquid Cooler: Gen S dual chamber pump pushes higher-pressure flow to the CPU hotspot; main trade-off: rated for Ryzen 7 and Core i5 class, not flagship CPUs.

Unavailable on Amazon as of 2026-10-19 22:20 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

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Original listing (currently unavailable) → Compare to similar cooling & fans

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-19

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ Gen S dual chamber pump pushes higher-pressure flow to the CPU hotspot
✓ 120mm radiator fits single-fan mounts in compact cases
✓ 4-pin PWM fan adjusts from 650 to 1,750 RPM for noise control
✓ Supports AM5, AM4, LGA1851 and LGA1700 sockets
✓ Clean white LED pump lighting on an all-black finish

Cons

✗ Rated for Ryzen 7 and Core i5 class, not flagship CPUs
✗ Single 120mm radiator offers less headroom than 240mm AIOs
✗ White-only LED lighting, no RGB customization listed
✗ Fan tops out at 1,750 RPM, capping peak airflow under load

Manufacturer description

The Cooler Master MasterLiquid 120L Core is a compact AIO CPU liquid cooler built around a 120mm radiator. Cooler Master rates it for AMD Ryzen 7 and Intel Core i5 class processors, so it is aimed at mainstream gaming rigs rather than flagship overclocking. Its core part is the patented Gen S dual chamber pump. It raises water pressure and sends flow straight to the CPU hotspot through a customized copper base. Cooler Master says the radiator has more surface area than the earlier MasterLiquid Lite series, so it sheds heat better. A SickleFlow 120 fan provides the airflow. It runs on a 4-pin…

SpecPicks Verdict

SpecPicks scored Cooler Master 120L Core AIO CPU Liquid Cooler using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. Cooler Master's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Can the Cooler Master 120L Core handle a Ryzen 9 or Core i9?

Cooler Master positions the 120L Core for AMD Ryzen 7 and Intel Core i5 class CPUs. For Ryzen 9 or Core i9 chips under sustained load, a larger radiator usually gives more thermal headroom. Check the manufacturer's guidance for your specific CPU.

Which CPU sockets does the 120L Core support?

The listing names AMD AM5 and AM4 and Intel LGA1851 and LGA1700. Cooler Master redesigned the brackets to make installation simpler on AM5 and LGA1851/1700. Other sockets are not listed, so check the product listing before buying for an older platform.

How loud is the fan and can I control its speed?

The SickleFlow 120 fan uses a 4-pin PWM header, so your motherboard can vary its speed from 650 to 1,750 RPM. That lets it run quietly at low load and spin up when the CPU heats up.

Will the 120L Core fit in my case?

You need a mounting point for a single 120mm fan and radiator, such as a rear exhaust or top slot. Full radiator and tube dimensions are not stated here, so compare the measurements on the product listing with your case's clearance specs.

What warranty comes with the Cooler Master 120L Core?

Warranty terms are not stated in the product details. Check the product listing or Cooler Master's support site for current warranty coverage on the pump and fan.

Key Features

Cool for R7|i5 : Patented Gen S Dual Chamber Pump enhances water pressure and optimizes flow directly to the CPU hotspot, for AMD R7 and Intel i5.
Minimalist Classic Design: Minimalist pump design gives a classic facelift while enhancing white lighting dispersion for optimal illumination.
Sickleflow 120: SickleFlow 120 fans deliver premium airflow with optimized PWM blades, while simplifying the installation.
Dynamic PWM Fan: A PWM 4-pin header allows adjustable fan speeds from 650 to 1,750 RPM, to balance noise and airflow
Simplify Brackets: Redesigned brackets simplify installation on AM5 and LGA 1851|1700 platforms.
All Style, No Colors: Sleek all-black design, perfect for those seeking a stealthy, minimalist finish

Full Specifications

Brand	Cooler Master
Model	MLW-D12M-A17PK-R1
Voltage	12 volts
Wattage	12 watts
Material	Aluminum, Copper, Plastic
Unit Count	1 Count
Noise Level	12 db
Part Number	MLW-D12M-A17PK-R1
Material Type	Aluminum, Copper, Plastic
Cool for R7\|i5	Patented Gen S Dual Chamber Pump enhances water pressure and optimizes flow directly to the CPU hotspot, for AMD R7 and Intel i5.
Cooling Method	Liquid
Sickleflow 120	SickleFlow 120 fans deliver premium airflow with optimized PWM blades, while simplifying the installation.
Dynamic PWM Fan	A PWM 4-pin header allows adjustable fan speeds from 650 to 1,750 RPM, to balance noise and airflow
Number of Items	1
Number of Packs	1
Simplify Brackets	Redesigned brackets simplify installation on AM5 and LGA 1851\|1700 platforms.
Compatible Devices	Desktop
Included Components	ML 120L Core, CryoFuze Thermal Paste, Install Kits, Manual
All Style, No Colors	Sleek all-black design, perfect for those seeking a stealthy, minimalist finish
Power Connector Type	4-Pin
Full listing title	Cooler Master 120L Core AIO CPU Liquid Cooler – 120mm Radiator, Patented Gen S Dual Chamber Pump, PWM Fan, White LED Pump Lighting, High Performance Cooling, AMD AM5/AM4 & Intel LGA1851/1700

Ready to buy?

Amazon shows no buyable offer for Cooler Master 120L Core AIO CPU Liquid Cooler at the last check. A similar in-stock product is CoolerMaster MasterLiquid ML240L RGB V2. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $79.99