Koolance CPU-370 Performance Preview

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Thermal Test Results

CPU-370 vs. EK Supreme HF Ni

So I’ve shown how it compares to the CPU-360 rev1.1, where the improvement comes from, two ways to improve it already, now it’s time to show how it compares to the best overall performing block of 2010, the EK Supreme HF.  This isn’t the same block as last time (that one is in one of our pump testing loops), this is an all-nickel rev.2 with support for large compression fittings.  The differences between my old Supreme HF and this Supreme HF Ni should be small, but it is important to note that the all-metal versions of the Supreme do induce a bigger bow, which should improve contact.  Also, it’s important to stress that these results should not be compared with the results I’ve posted in previous reviews or on forums.  Those tests were done with MX-2 and OCZ Freeze, two TIMs that are significantly less contact-dependent than Spire SilverGrease SP-457. The data below only shows half the performance picture, how it performs with a good (i.e., one that an enthusiast would actually use) TIM will be explored in the full review later.

So what does the data say?  It says the verdict is still out on the CPU-370 vs. the EK Supreme HF Ni.  Without knowing how these blocks will perform with enthusiast-level TIM, it’s hard to say which is better–they look to be really close.  With Spire SilverGrease SP-457, the Supreme HF Ni comes out ahead, but it also makes better contact (according to my eyes).  On top of that, I’ve already shown there’s two spots where the CPU-370’s performance can be improved by Koolance: injection plate and reverting to the CPU-360 rev1.1 base.   Preliminarily, it looks the Supreme HF Ni is still a skosh ahead of the CPU-370.

For a more detailed look at each configuration’s performance, click on a thumbnail and look through

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Posted On
Apr 19, 2011
Posted By

Nice review.. any plans for installation videos?
coverage of mounting with indigo extreme’s unconventional methods would make a great companion combined with coverage of the koolance mounting system.
The full coverage removal/installation videos have me returning to the skinnee pages often!

Posted On
Apr 19, 2011
Posted By
Eric (Vapor) Hassett

We’ve talked about installation videos amongst ourselves but as it is now, there are no immediate plans for the CPU blocks.

I personally feel a photo shoot is better as a guide/walkthrough for block installation because you progress through the pictures at your own pace rather than having to keep pausing/starting/rewinding.

One disadvantage is you don’t get to see how easy/hard/time consuming certain steps are….like threaded the four nuts down on the threaded posts for the EK mounting system can take awhile. Getting the hex couplers and the backplate screws to thread (for the Aqua Computer kyros XT/HF) can also be an extremely hard step, which is hard to see with pictures. But in those cases I get to use words to convey how difficult it is.

The last issue is the actual difficulty in recording the video–I don’t have a way to record video right now.

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