Corsair RM850x ATX v3.1 PSU Review

Efficiency Normal, Light & Super-Light Loads

Efficiency is decent at normal loads and high enough at light and super-light loads.

Average Efficiency

The unit’s average efficiency is clearly within the range of the Cybenetics Gold level, actually close to the top limits, which are 89% for 115V and 91% for 230V.

Average PF

The APFC converter performs well.

Average Efficiency 5VSB

The 5VSB rail is highly efficient.

Vampire Power

Vampire power is low.

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One thought on “Corsair RM850x ATX v3.1 PSU Review

  1. Hey Aris, thank you for the review. After my long research and your articles, I finally bought this product (it finally arrived in my country). Is it a problem if the 3.3V channel drops below 3.2? If it is a problem, what causes it?

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