SeaSonic X 660W
Category: Power Supply
Manufacturer: Seasonic
Wattage: 660W
Efficiency: 80+ Gold
Modular: full
SeaSonic X 660W
Wattage
660W
Efficiency
80+ Gold
Modular
full
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Overview
This is a 660W unit with 80+ Gold efficiency certification and full cabling. It uses the ATX form factor — confirm your case lists ATX support. 660W covers a 220–300W GPU and a midrange CPU comfortably. Skimping on the PSU is a false economy; better efficiency ratings usually mean better components and longer warranties.
PlanMyPC's builder flags compatibility problems with the rest of your parts automatically. Support and warranty service run through Seasonic, with terms that vary by region. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.
| Specification | Value |
|---|---|
| Modular | full |
| Wattage | 660 W |
| Efficiency | 80+ Gold |
| Form Factor | ATX |
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