Noise Level Results
With only 650RPM, the 120mm fan registered on the meter at 33 dB, and now you can see why I said dead silent.
When you consider most people can't hear below 30dB anyways, the Mugen 4 is just audible and only when very close at this stage of the testing.
With everything running full bore, 12V to the fan, and the testing well underway, the fan equipped with the Mugen 4 only reached 45dB. That leaves the Mugen 4 just outside of the top ten quietest cooling solutions I have tested.
If you are looking for something affordable and quiet, this is a serious contender for your money.
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