Noise Level Results
Taking the second spot in our charts for the audio levels is great for be quiet!; in fact, they now hold the top two spots. With 7.5V running through the fans, we see that both fans together are only slightly louder than the previous submission with the rating of 25 dB.
While the 120mm fan speeds were in spec at 1300 RPM at this point, the 135mm fan was giving us a reading of 1450 RPM, which is the top specified speed of that fan already. I think there may have been a typo in the specifications chart.
When the fans were let loose in the overclock testing, the noise levels were very tolerable with our open air test system, and I needed to be within two feet to even hear it over the idling VGA fan. It was at this point where we got the 39 dB rating we put in the charts.
As for the fans, the 120 was spinning at 1660 RPM, while the 135mm fan was reporting 2130 RPM. Either way you look at it, the Dark Rock Pro 3 is definitely the best option for both silence and cooling efficiency that we have tested on this newer setup.
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