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Cooler Master Nepton 240M Review


Cooler Master Nepton 240M Conclusion:

Today you can find All-In-One (AIO) coolers in a variety of flavors - 120mm, 240mm, 280mm, and even 360mm. It was just a few years ago that water cooling was all custom build, expensive, and only the hard-core enthusiasts attempted it. Manufacturers quickly realized that this market had a lot of potential and began to provide compact, affordable (and reliable) liquid cooling solutions. The performance of the cooler is of course the primary focus, but after that, is the installation and this includes a robust pump mount and the ability to move the radiator to the necessary position in the PC case without kinking the tubes and the 240M gets an A+ in these areas.

Manufactures have figured out the optimal configuration for the AIO coolers, and for the most part they are all very similar - you have a pump, two tubes, the radiator, and finally the fan(s). So each manufacturer has to incorporate features to put their product at the front of the pack.

So what makes the 240M stand out from the others? The longer, heavier FEP tubes on the 240M allow flexibility when installing the radiator. And those thumb screws - wow, they really make the installation process much easier. You can quickly get the radiator and fans in position without fumbling around dropping screws into the case. The new retained screws on the pump mount make installing the pump a breeze. And of course, the new Silencio 120mm PWM fans are up to the task of moving plenty of air while not sounding like a leaf blower. The splitter power cable for the fans also makes it nice to control both fans from one fan header, and it provides for a cleaner cable routing since you can run the fan cables and the splitter behind the motherboard tray and keep them out of sight.

Performance was virtually parallel to the larger Nepton 280L, with both coolers being able to easily tackle the heat. Heat transfer is what it is all about. No doubt that the massive surface area afforded by the skived fin microchannels of the water block come into play here to deliver great performance. And the rectangular rubber gasket adds a layer of vibration dampening between the fans and the radiator, further ensuring that the 240M will stay as quiet as possible when the heat is on.

The Nepton 240M is really a great addition to the Cooler Master family of CPU coolers. The installation went well, the performance was top-notch, and while being a new release the initial price may be a little salty, the Nepton 240M won't disappoint.



  • Easy installation with thumb screws for the pump, fans, and radiator
  • Silencio 120mm 4-pin PWM fans
  • Long flexible tubing
  • White LED lens on the pump cover / logo look nice
  • Separate power lead for fans (splitter)
  • 5 Year Warranty



  • Price
OCC Gold

  1. Cooler Master Nepton 240M: Introduction & Closer Look
  2. Cooler Master Nepton 240M Closer Look: Continued
  3. Cooler Master Nepton 240M: Specifications & Features
  4. Cooler Master Nepton 240M Testing: Setup & Results
  5. Cooler Master Nepton 240M: Conclusion
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