Rosewill G550 550W
Category: Power Supply
Manufacturer: Rosewill
Wattage: 550W
Efficiency: 80+ Gold
Modular: semi

Rosewill G550 550W
Wattage
550W
Efficiency
80+ Gold
Modular
semi
No price data available
As an Amazon Associate, PlanMyPC earns from qualifying purchases made through links on this page. Learn more
Overview
This is a 550W unit with 80+ Gold efficiency certification and semi cabling. It uses the ATX form factor — confirm your case lists ATX support. 550W covers mainstream builds with a modest GPU. A dependable power supply protects everything downstream, and efficiency tiers are a decent proxy for overall build quality.
Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Warranty coverage follows Rosewill's standard policy — confirm regional terms on the listing. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.
| Specification | Value |
|---|---|
| Modular | semi |
| Wattage | 550 W |
| Efficiency | 80+ Gold |
| Form Factor | ATX |




