MasterLiquid Pro 240 Cooler Review


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MasterLiquid Pro 240 Conclusion

IMPORTANT: Although the rating and final score mentioned in this conclusion are made to be as objective as possible, please be advised that every author perceives these factors differently. While we each do our best to ensure that all aspects of the product are considered, there are often times unforeseen market conditions and manufacturer changes occurring after publication which might render our rating obsolete. Please do not base any purchase solely on this conclusion, as it represents our rating specifically for the item tested which may differ from future versions. Benchmark Reviews begins our conclusion with a short summary for each of the areas that we rate.

Our first rating is performance, which compares how effective the Cooler Master MasterLiquid Pro 240 All-In-One liquid cooler performs against other cooling solutions, especially other water cooler kits. We compared the MasterLiquid Pro 240 against four other cooling solutions: Corsair’s H100i V2 that’s a direct competitor, its smaller sibling, MasterLiquid Pro 120, Antec’s KÜHLER H2O 920, and Intel’s bundled retail thermal cooling solution.

Measuring thermal management on an overclocked system under 100% load on every processor core is an extreme basis for measurement, but that’s how we separate the top performers. Cooler Master proved that it has engineered beneficial technological advances in their MasterLiquid Pro 240 beyond the competition, as Corsair’s H100i V2 cooler was outperformed along with the others. Both MasterLiquid Pro 240 and H100i V2 share square fins, but it seems that Cooler Master’s use of more spacious fins helped make it easier to push air past them and yield better cooling. It’s also worth noting that Cooler Master’s custom waterblock was designed with micro-fine densely-packed plates so that liquid heated by the CPU is isolated and immediately drawn away, while cool liquid flows past the pump.

In terms of appearance, liquid coolers usually consist of a small waterblock and connected radiator, thereby lacking the large array of shiny fins and polished heat-pipes to help make them into eye-catching fashion mavens. While there have been colorful LED-backlit waterblocks on the market, these typically require separate wiring in addition to the pump’s requirements – which in the case of Corsair’s H100i V2 and Antec’s 920 would mean going beyond the two fan connections and an internal USB header. Cooler Master did right by streamlining MasterLiquid Pro 240 to a single motherboard connection, and thereby reducing cable clutter.

MasterLiquid Pro 240 gets high marks for construction. The waterblock mounting system is far easier than the others tested, and far more durable as well. They use FEP tubing (Fluorinated Ethylene Propylene), which will outlast your computer system and then some. Cooler Master also isolates the heat-sensitive pump components by using a dual-chamber waterblock, thereby extending the products lifetime. And according to Cooler Master’s product specifications, their bundled 120mm MasterFan Pro Air Balance fans have a life expectancy of 160,000 hours MTBF (mean time between failure), which rates 10K more than Noctua fans, and 100K longer than Corsair fans.

Based on my experience with this cooling system, functionality is another area where MasterLiquid Pro 240 shines. The kit is designed to tame temperatures on the hottest overclocked computers, and indeed it does. In addition to the extended lifespan they’ve afforded most components, the fans included with this kit are also rated to produce only 6-30 dBA of noise – which is practically inaudible – and a step closer to a truly silent PC. The only caveat with this system is that it requires a 120 x 240mm mounting space, which tends to exclude small form factor enclosures.

At the time of this writing, the Cooler Master MasterLiquid Pro 240 liquid cooling kit (model MLY-D24M-A20MB-R1) was found online for $119.99 (Amazon | Newegg). In terms of value, this price is very agreeable, especially considering the product carries a five-year hardware warranty. Looking at the competition in this class, most tend to be more expensive with less warranty; even a few air-cooled heatsinks are priced in this range!

In conclusion, I would recommend the MasterLiquid Pro 240 to any PC hardware enthusiast who demands a silent, top-performing CPU cooler with the ability to cool even the hottest overclocked processor in a full-size enclosure. For SFF builds I’m a fan of the MasterLiquid Pro 120, which shrinks the footprint without losing much thermal performance. Regardless of which kit you choose, both are designed to outlast you and your computer.

Pros:Benchmark Reviews Golden Tachometer Award Logo (Small)

+ Best cooling performance of the bunch!
+ Practically silent electric pump and cooling fans
+ Waterblock densely packed with micro-fine plates
+ Simple tool-less mounting system for most all CPU sockets
+ Includes two MasterFanPro Air Balance 120mm fans
+ Streamlined cable management – does not require USB
+ Square fins creates greater contact surface area with radiator
+ 5-year manufacturer product warranty


– 120x240mm Radiator may not fit SFF enclosures


  • Performance: 9.75
  • Appearance: 8.75
  • Construction: 9.75
  • Functionality: 9.50
  • Value: 8.50

Final Score: 9.25 out of 10.

Excellence Achievement: Benchmark Reviews Golden Tachometer Award.

COMMENT QUESTION: Who do you think makes the best all-in-one liquid cooler?



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    Nice performance there….! Looking at possibly getting an AIO for my five year old daughters build. Either that or invest a hundred or so more dollars and go custom liquid with her choice of coolant color….. Just a thought. ThInking a monster high build for her would be cute…

    1. Olin Coles

      These new AIO liquid coolers are essentially the same as what you would put together with custom parts, except for they’ve done all the messy work for you. For the price, they’re a compelling product.

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