Sharkoon Rebel P20 1200W ATX v3.1 PSU Review

Average Noise

The average noise output is not high for this category’s standards.

Fan Noise & Speed Maps @ 28-32 °C – 115V

The fan’s passive operation lasts long enough if you don’t push the max combined load on the minor rails above 65W. The 30 dBA mark is passed at around 690W and lasts up to 1010W, where the PSU’s fan swiftly increases its noise to above 40 dBA. The sweet region for low noise output is below 690W at 12V and below 65W on the minor rails. This is at normal operating temperatures, at the chassis internals, from 28-32 °C.

Let’s look at the 230V input fan noise and speed maps.

Fan Noise & Speed Maps @ 28-32 °C – 230V

The fan speed profile is identical to the one at 115V.

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