SeaSonic FOCUS GX 550W vs SeaSonic FOCUS SPX (2021) 750W

A side-by-side spec comparison of the SeaSonic FOCUS GX 550W and the SeaSonic FOCUS SPX (2021) 750W. 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 FOCUS GX 550W and SeaSonic FOCUS SPX (2021) 750W.
Specification	SeaSonic FOCUS GX 550W $139.00 Buy on Newegg	SeaSonic FOCUS SPX (2021) 750W $426.66 Buy on Amazon
Modular	full	full
Wattage	550W	750W
Efficiency	80+ Gold	80+ Platinum
Form Factor	ATX	SFX

SeaSonic FOCUS GX 550W

specs won

SeaSonic FOCUS SPX (2021) 750W

specs won

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