Watercool Heatkiller IV Pro Copper Ni review – the deserved cooling

I am using water cooling for some years now especially that I like to overclock CPUs and VGAs. Water cooling is far better than air cooling as the liquid is capable of transferring 24x times more heat in the same period of time, at the same ambient temperature. Of course, the dissipation depends on the cooling materials to be able to transfer as much heat as liquid can absorb. And that’s how we get to water blocks.

The subject for this review is Watercool Heatkiller IV Pro Copper Nickel, a CPU water block with a massive potential of being the best, as manufacturer claims. As I have other 3 water blocks here, it will be interesting to see the hierarchy in performance.



The copper is the best solution for heat dissipation, while nickel is used to cover the copper I order to protect it from corrosion. That can come from the liquid inside the loop or from thermal interface used between the water block and the CPU/GPU.



Watercool Heatkiller IV Pro Copper Ni


INTEL: LGA 115x / 1366 / 2011 (backplate for LGA115X purchased separately)

Material top

Nickel plated Cooper

Material base

Nickel plated Copper


2x G1/4


66 x 59 x 17 mm




The specs show the usual info, so the test will reveal its cooling performance.


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