Average Noise
The average noise output is above 35 dBA, so the PSU is noisy.
Fan Noise & Speed Maps @ 28-32 °C
[115V] There is no semi-passive operation, but the Hong Hua fan spins at below 400 RPM at loads up to 520W at 12V, so noise output is dead low. It quickly gains speed at higher loads, and the 30 dBA mark is passed at 720W. With more than 820W at 12V noise goes over 35 dBA, with more than 1040W it exceeds 40 dBA and with higher than 1040W loads, the fan’s noise exceeds 45 dBA.
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