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SeaSonic B12 BC 650W vs SeaSonic M12II EVO 520W

A side-by-side spec comparison of the SeaSonic B12 BC 650W and the SeaSonic M12II EVO 520W. 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 SeaSonic B12 BC 650W and SeaSonic M12II EVO 520W.
Specification
Modularnon-modularfull
Wattage650W520W
Efficiency80+ Bronze80+ Bronze
Form FactorATXATX

SeaSonic B12 BC 650W

0

specs won

SeaSonic M12II EVO 520W

0

specs won

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