be quiet! Pure Power 13 M 1000W ATX v3.1 PSU Review

Efficiency Normal, Light & Super-Light Loads

Efficiency is high on all load ranges. Still, the previous model achieved better results at light and super-light loads.

Average Efficiency

The average efficiency meets the Cybenetics Platinum criteria.

Average PF

The APFC converter achieves good performance.

Average Efficiency 5VSB

The 5VSB rail’s efficiency has been significantly improved compared to the previous model.

Vampire Power

Vampire power is increased at 230V.

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2 thoughts on “be quiet! Pure Power 13 M 1000W ATX v3.1 PSU Review

  1. The PowerZone has relatively loud transformer noise, even in standby. You can hear it from the next room. Otherwise, it’s electrically quiet — no coil whine or other weird stuff — but the base hum is quite loud. What about this one?

    1. Can you recommend a power supply that’s completely silent, even in standby? I’ve tested a few and ended up sticking with the PowerZone 2 because it’s a good all-rounder and gets a lot of things right. But that low hum or faint squeal drives me crazy. Every morning I wake up thinking, “Damn, I forgot to switch off the power strip again before going to bed

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