Chieftec VEGA M 850W ATX v3.1 PSU Review

Average Noise

The PSU’s average noise output is not high.

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

There is no fan stop feature, but this is totally fine with me, as the fan doesn’t spin at high speeds under light loads. Up to 530W, the fan’s noise level remains below 20 dBA, while the 30 dBA mark is surpassed at 600W. At 725W, the noise enters the 35-40 dBA range.

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

At 230V, the fan speed profile remains identical to that of the 115V input.

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