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Cooler Master Nepton 240M Liquid CPU Cooler Review

Overall we are impressed with what the Cooler Master Nepton 240M Liquid CPU Cooler has to offer.  It is great to see a manufacturer such as Cooler Master taking their own proprietary direction in a marketplace consisting predominantly of the same Asetek product – with a different badge on show.

The build quality of the Nepton 240M isn’t quite as good as similar products we have seen from Corsair, but it is still perfectly acceptable.  This is noticeable generally in the small details, such as the poor quality finish of the mounting brackets and the rigid plastic radiator hoses.

We found the installation process quite straightforward, although it is clear that the mounting mechanism hasn’t been developed and researched quite to the same that we would expect from a company such as Corsair.

The two fans Cooler Master include with the cooler are quite good. Even at their maximum speed of 2,400 rpm, they remain reasonably quiet.  If this is too noisy for you, the fans are PWM models so they can be set up to be almost silent in operation. If you do this, obviously expect to run at slightly higher temperatures.

In terms of cooling performance, the Nepton 240M performs as we would expect.  It offers almost as good performance as the Corsair H105 which is perhaps the most comparable model from the leading brand in the market.  We doubt these small differences in performance will affect the overclocking potential of your system greatly however.

With an MSRP of £79.99, the Cooler Master Nepton 240M is priced fairly competitively.  It comes in around £10 less than the Corsair H105, although the Corsair model does offer better performance thanks to a thicker radiator.

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  • Good performance.
  • Quiet at full speed.
  • Easy to install.
  • Reasonably good value for money.


  • Average build quality.
  • Performance not as good as the Corsair H105.

KitGuru says: Another decent product from Cooler Master which provides a viable alternative to the more established products in the market.


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Rating: 8.0.

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