Ultra ULT-LSP550 550W vs Ultra X4 850W
A side-by-side spec comparison of the Ultra ULT-LSP550 550W and the Ultra X4 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.
| Specification | ||
|---|---|---|
| Modular | non-modular | full |
| Wattage | 550W | 850W |
| Efficiency | 80+ | 80+ Silver |
| Form Factor | ATX | ATX |
Ultra ULT-LSP550 550W
0
specs won
Ultra X4 850W
0
specs won
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