Noise and Fan Speed (Increased Temperatures)
The fan profile is not aggressively tuned for high operating temperatures.
Noise and Fan Speed (~30 °C)
You won't hear the PSU at all at up to 800 W. 30 dBA are surpassed with loads over 1150 W, and the PSU enters 35–40 dBA territory with loads of 1300 W or above.