Average Noise
The PSU’s average noise output is low at both voltage inputs.
Fan Noise & Speed Maps @ 28-32 °C – 115V
Typically for a CWT platform, the semi-passive operation ends when you push the minor rails hard. Corsair also has the max combined power of the minor rails set high, at 150W, while most modern platforms keep it at 100W, so they have an advantage in these tests. In any case, at up to 640W, the PSU’s noise is kept below 20 dBA, so it won’t bother you. The 30 dBA mark is passed at around 810W, and there is a very small region at 860-895W with noise between 35-40 dBA.
Fan Noise & Speed Maps @ 28-32 °C – 230V
The 230V fan noise profile has some small differences from the 115V one. The main one is that the semi-passive mode lasts way less, and the 30 dBA mark is passed at 790W. Nonetheless, the small region with over 35 dBA noise that exceeds at 115V vanishes at 230V.
