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Corsair RM1000e (2025) 1000W vs Corsair RMx SHIFT (2025) 850W

A side-by-side spec comparison of the Corsair RM1000e (2025) 1000W and the Corsair RMx SHIFT (2025) 850W. We line up every specification, highlight the winner of each, and tally an overall verdict so you can decide which power supply is right for your build.

Side-by-side specification comparison of Corsair RM1000e (2025) 1000W and Corsair RMx SHIFT (2025) 850W.
Specification
Modularfullnon-modular
Wattage1000W850W
Efficiency80+80+
Form FactorATXATX

Corsair RM1000e (2025) 1000W

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specs won

Corsair RMx SHIFT (2025) 850W

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specs won

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