Corsair RM750x Shift ATX v3.1 PSU Review

Average Noise

The PSU’s average noise output is low. This is among the very few times that I see the same average noise output between 115V and 230V.

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

The fan’s passive mode operates at up to 340W at 12V when the combined load on the minor rails remains below 115W. Even when the fan starts to spin, it does so at low speeds, hence noise output remains below 6 dBA at up to 545W at 12V. After this load level, there are several fan speed modes, ranging from 10 dBA to 25-30 dBA.

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

At 230V, the fan speed profile is similar to that at 115V.

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6 thoughts on “Corsair RM750x Shift ATX v3.1 PSU Review

  1. You always praised Corsair for fan failure protection yet with this new shift line they don’t have it anymore you say. Also other protections are not to your liking either. I dislike Corsair because how they treat things so if there is a similar alternative then i chose that.
    I think the Pure Power 13 M is a good alternative based on your test and a newly released Dark Power 14 too which also performed well in your tests just no review up yet.
    Your test method for Inrush current is different now as you noted, the numbers are different, what threshold would you call good result?

    1. Most PSUs nowadays still don’t have fan failure protection, I am afraid. This is why I am pushing so much through reviews to force them to implement it.

      Below 100A is generally considered safe/ok.

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