Test System Setup
To see our testing methodology, and to find out what goes into making our charts, please refer to our CPU Cooler Testing and Methodology article for that information.
While idling, we saw 27.5 degrees for the stock run, and when we loaded the processor, we received a 55.25 degree result. Of course, this is not the best thermal reading on the chart, but we are still within ten degrees of the best result on the list. This cooler is also much quieter and smaller than the top solution on this chart.
Once we applied the overclock the idle temperature made a fair jump to 31.5 degrees. Most coolers only move a degree or slightly more. On the loaded end of the spectrum, we were able to keep this 4770K under 80 degrees with the 78.16 degree result we have in this chart.
The thermal results don't look that good initially, but considering the competition is largely 120mm coolers, the NH-U9S is doing a pretty great job overall. With a second fan added into the mix, the NH-U9S gave us a reading of 76.25 degrees at this point, which would move it upward by three slots.
Noise Level Results
With voltage controlled at 7.5V, AIDA64 showed us that the fan was spinning at 1460 RPM, and for such a small fan at that speed, we were almost shocked to see only 24dB on the meter. We had to get very close to the cooler to hear anything with our own ears.
I would not call 39dB super quiet, but looking at it from the perspective of the chart, there are only a select few that do better in this test. Considering this is a 92mm fan spinning at 2160 RPM in this test, you will be hard pressed to find another fan this size that can even come close.
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- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging]
- Page 3 [Noctua NH-U9S CPU Cooler]
- Page 4 [Accessories and Documentation]
- Page 5 [Installation and Finished Product]
- Page 6 [Test System Setup, Thermal Tests and Noise Results]
- Page 7 [Final Thoughts]
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