SeaSonic Platinum 400W vs SeaSonic SS-300ES Bronze 300W

A side-by-side spec comparison of the SeaSonic Platinum 400W and the SeaSonic SS-300ES Bronze 300W. 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 Platinum 400W and SeaSonic SS-300ES Bronze 300W.
Specification	SeaSonic Platinum 400W $148.02 Buy on Amazon	No image SeaSonic SS-300ES Bronze 300W No price data
Modular	full	non-modular
Wattage	400W	300W
Efficiency	80+ Platinum	80+ Bronze
Form Factor	ATX	ATX

SeaSonic Platinum 400W

specs won

SeaSonic SS-300ES Bronze 300W

specs won

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