Prolimatech MK-26

Testing and Overclocking

Test Rig

  • CPU: Intel 3770K – Stock turbo – all cores enabled – HT enabled
  • GPU:  Zotac GTX680 AMP!
  • Memory: 16GB Corsair Vengeance 1600MHz 9-9-9-24 DDR3
  • Storage: Crucial C300 128GB
  • PSU: SuperFlower Golden King 550W Platinum
  • OS: Windows 8 Professional x64
  • Case: Coolmaster Cosmos 2


To ensure the results were consistent, the heatsink was mounted three times and idle and load tests run each time. An average of the results is shown below.

For idle testing, Windows 8 was allowed to run with no programs for 10 minutes.

For load testing we use Furmark at extreme settings and full screen.

The standard thermal paste, provided with the cooler, was used.


Two Scythe Gentle Typhoon AP-15 1850RPM fans were used on the heatsink which ended up quieter than the stock cooler.

We used a Zotac GTX680 AMP! Because the AMP! Cooler already performs around 10C better than the reference GTX680 cooler while being a factory overclocked card.

This is how the AMP cooler did:

Prolimatech MK-26
Click to Enlarge

The AMP! Cooler does a decent job keeping the GPU’s temperatures in check 81C under load is well within the GPU limits.

And the Prolimatech MK-26:

Prolimatech MK-26
Click to Enlarge

With the MK-26 installed we see just 56C on the GPU! Wow, just wow. That’s far better performance than we expected.

A full 25C cooler than the AMP! Cooler is seriously impressive as the AMP! Cooler already is a beastly cooler with a massive vapour chamber on the bottom.

We also tried to run the heatsink passively, without any fans or air flow from nearby fans. After playing Borderlands 2 for about half an hour the GPU hit 99C which is when we stopped but it took a very long time to reach this temperature and you much bear in mind this is an overclocked GTX680 running one of the latest games.


We don’t have much experience with 3rd party coolers here at XSReviews so we were not sure what to expect. Performance is simply awesome.

The build quality of this beast is the same as every other Prolimatech cooler we’ve used, it’s excellent and make us wonder why every cooler can’t be like this.

The MK-26 goes for around £52 and paired to a lower end graphics card could easily help you achieve a completely passive/silent computer. Instead of buying a non-reference card like our GTX680 AMP!, buy a reference card and this cooler, you will get better performance from higher overclocks and will also likely cost less.


  • Value for money
  • Easy to install
  • Great package included
  • Awesome performance
  • Excellent build quality


  • Takes up 5 PCIE slots
  • Removal of your graphics card in transit is recommended

10 Stars



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