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To test all CPU coolers, we devised an easily repeatable test with no variables other than the coolers themselves. This ensures that figures from every cooler we test are comparable with each other.
Test rig
Using an open-air test bench, we deploy an Intel Core i7-4790K plugged into a Gigabyte Z97X-SOC Force motherboard. Alongside this is 16GB of 2400MHz Corsair Vengeance DDR3, as well as a 120GB OCZ Trion 150 SSD. Powering everything is a Corsair RM750x PSU.
The test process
Testing coolers involves taking a total of 4 temperature readings per cooler. First, we measure the idle temperature of the i7-4790K at stock speeds (turbo boost disabled), before measuring its temperature under load at stock speeds. Next, we overclock the CPU to 4.5GHz using a 1.3 Vcore, ensuring greater heat output. In its overclocked state we then measure the idle and load temperatures of the CPU again.
To ward off potential comments or questions, we know 4.5GHz using a 1.3 Vcore is not the ‘best’ overclock – this particular CPU could reach that frequency at closer to 1.25 on the Vcore, which is more efficient. That is not the point, however. We are trying to stress the coolers to see how they deal with excess heat … hence the higher than necessary Vcore.
Where possible, each cooler’s fans are plugged directly into the motherboard using the CPU_Fan or CPU_Opt headers. Some AIOs, however, ship with their own fan controllers or PWM hubs. If we are unable to plug the fans directly into the motherboard, it is specified in the performance section of the review.
An idle reading comes from leaving Windows on the desktop for 15 minutes. A load reading comes from running Prime95’s (version 26.6) Small FFTs test for 15 minutes – enough time for temperatures to plateau.
Noise output
Unfortunately I am unable to properly measure the sound output of CPU coolers using a digital sound meter. This is because I am based alongside a busy road (with high ambient noise levels). Using a sound meter is, as such, not possible as there are variables out of my control. However, I will try my best to subjectively describe the noise output in a helpful manner.
I had their cooling all recommendations
It’s good but when its main competitor is Fera 3, it loses. It has almost identical performance but is cheaper and much better looking(the new revision has really clean looking heatpipe caps and a black top: https://www.silentiumpc.com/en/fera-3-he1224/ ).
On the other hand both are great. I used hardware from both companies and their customer service is absolutely top notch.
Zero fan feature is a good selling point, really looking forward this cooler for my next build when Kaby Lake comes out.
Too bad it is too heighty for my Thermaltake Core V1. If it is 5mm shorter I might change my choice. Either way, Cryorig H7 is my choice (barely hit the top by 1-2mm).
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I would dig this cooler so much if optional mounting brackets would allow the cooler to be mounted rotated 90 degrees, actually looking at it, that would really interfere with the RAM, maybe a future version that is a bit taller so the radiator grid can be raised it to clear the memory
The stock pictures are without the washers by the way. I have them with. The i32 is quiet always, and cooling is average for this kind of a cooler. So perfect for light overclocking. However, during hot summerdays, better to have a good ventilated case. Source: me being an owner.