SeaSonic CORE GX ATX 3 (2024) 850W vs SeaSonic FOCUS GX 550W

A side-by-side spec comparison of the SeaSonic CORE GX ATX 3 (2024) 850W and the SeaSonic FOCUS GX 550W. 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 CORE GX ATX 3 (2024) 850W and SeaSonic FOCUS GX 550W.
Specification	SeaSonic CORE GX ATX 3 (2024) 850W $129.99 Buy on Amazon	SeaSonic FOCUS GX 550W $139.00 Buy on Newegg
Modular	full	full
Wattage	850W	550W
Efficiency	80+ Gold	80+ Gold
Form Factor	ATX	ATX

SeaSonic CORE GX ATX 3 (2024) 850W

specs won

SeaSonic FOCUS GX 550W

specs won

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