This article covers CoolerMaster MasterLiquid Core II 240 Black ARGB X6G2 デュアルチャンバーポンプ採用「MasterLiquid Core II X6G2」シリーズ240mm水冷CPUクーラー ブラックモデル [MLW-D24M-A18PA-J1].

Overview

The CoolerMaster MasterLiquid Core II 240 Black ARGB X6G2 (model MLW-D24M-A18PA-J1) is a 240mm all-in-one liquid CPU cooler featuring a patented dual-chamber pump design. The radiator measures 277 x 119.2 x 27.2mm, and the pump unit is compact at 84.5 x 78.5 x 59.4mm, making it a versatile fit for a wide range of PC cases. The included 120mm fans spin up to 1750 RPM with a noise level of just 25 dBA, striking a solid balance between cooling performance and acoustic comfort. Socket compatibility covers Intel LGA 1851/1700/1200/115x and AMD AM5/AM4, including the latest Arrow Lake and Ryzen 9000 series CPUs. An infinity mirror pump top with customizable cover (designed for SI partners) adds a premium aesthetic, while the standard model already delivers a clean ARGB lighting effect. The integrated 7-pin PWM + ARGB cable simplifies wiring by combining fan, pump, and lighting control into a single connector—a thoughtful touch for builders who value cable management. Positioned in the mid-to-high-end segment, this cooler offers compelling value at around ￥9,000. It competes with other 240mm AIOs like the NZXT Kraken 240 and Corsair H100i RGB but undercuts them on price while still delivering strong thermal performance. A 5-year warranty provides peace of mind for long-term use.

Compatibility Guide

Supported sockets: Intel LGA 1851 / 1700 / 1200 / 1150 / 1151 / 1155 / 1156, AMD AM5 / AM4. LGA 1851 is the new socket for Intel Arrow Lake (Core Ultra 200 series), and this cooler comes with the necessary mounting hardware. LGA 1700 covers Alder Lake, Raptor Lake, and their refresh models. AM5 is compatible with Ryzen 7000/8000/9000 series, while AM4 still supports Ryzen 5000 and older. The radiator requires two 120mm fan mounting positions (277mm length) in your case. Standard thickness (27.2mm) means it fits in most mid-tower and many compact cases without interfering with motherboard VRM heatsinks or RAM slots. The pump height of 59.4mm is relatively low, reducing clearance issues near the CPU socket. Power is delivered via a single 7-pin PWM + ARGB cable that connects to the CPU_FAN header on your motherboard. If your motherboard has separate 4-pin PWM and 3-pin ARGB headers, you may need the included adapter cable (check the box contents). The combined cable manages fan speed, pump speed, and ARGB lighting, keeping cable clutter to a minimum.

Product Info

The CoolerMaster MasterLiquid Core II 240 Black ARGB X6G2 launched in the second half of 2025. It occupies the mid-to-high-end tier in the AIO cooler market, offering dual-chamber pump efficiency and an infinity mirror pump head at a competitive price of around ￥9,000. The 5-year warranty is among the longest in its class, and the cooler supports all major modern CPU sockets. Key specifications: Radiator 277 x 119.2 x 27.2 mm, pump 84.5 x 78.5 x 59.4 mm, fan speed 1750 RPM, airflow 71.9 CFM, noise 25 dBA, socket compatibility Intel LGA 1851/1700/1200/115x, AMD AM5/AM4. Total power consumption of fans and pump is only 3.12W, making it very easy on motherboard headers.

Best Use Cases

  1. Enthusiast Gaming Builds Ideal for CPUs like the Intel Core i7-14700K or AMD Ryzen 7 7800X3D. The 240mm radiator handles sustained gaming loads well, keeping temperatures in check. However, for the extreme flagships like Core i9-14900K or Ryzen 9 7950X, a 280mm or 360mm radiator is more appropriate. 2. Silent Operation Builds With a maximum fan noise of 25 dBA and a quiet pump design, this cooler is excellent for silent workstations or home theater PCs. The dual-chamber pump minimizes vibration, and at idle, the system is nearly inaudible. 3. Small Form Factor (SFF) Builds Compact radiator dimensions and low pump height make it a good fit for Mini-ITX cases that support 240mm radiators. Cases like the Cooler Master NR200 or Fractal Design Terra (with bracket) can accommodate it. Who should avoid this cooler? - Users with low-TDP CPUs (e.g., Core i3, Ryzen 3) who could save money with a quality air cooler. - Builders who want maximum cooling headroom for overclocking high-end CPUs and have space for a 280mm or 360mm radiator. - Users who are extremely sensitive to any pump noise (even at 25 dBA).

Things to Consider

  • The 240mm radiator is sufficient for most mainstream CPUs but may struggle with 250W+ CPUs like the Intel Core i9-14900KS under sustained all-core loads. For such CPUs, a 280mm or larger AIO is recommended. - The pump top cover is designed for SI partner customization; the standard infinity mirror cover is not removable. If you want to replace the cover with a custom logo, this model may not support that out of the box. - The integrated 7-pin cable is convenient, but if your motherboard lacks a combined header, you may need to use the included adapter to split into separate PWM and ARGB

Product Disclosure (Amazon)

  • Manufacturer: Cooler Master
  • Seller: Amazon.co.jp
  • Fulfilled by: Amazon.co.jp
  • ASIN: B0G2LWGX2F
  • Note: This article covers a manufacturer-made product based on Amazon listing details.