# CORSAIR RMX Series, RM550x, 550 Watt, 80+ Gold Certified, Fully Modular Power Supply

- Category: Power Supply
- Brand: Corsair
- Model: RM550x
- Part number: CP-9020090-NA
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.6/5 from 820 Amazon reviews
- Warranty: 5 years
- Product page: https://buildmypc.net/component-details/power-supply/corsair-rm550x-cp-9020090-na/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Corsair |
| Model | RM550x |
| Power | 550 W |
| Efficiency | 80+ Gold |
| Color | Black |
| Form Factor | ATX |

## Key Features

- 80 PLUS Gold certified: High efficiency operation for less excess heat and lower operating costs
- 100% All Japanese 105 capacitors: Premium internal components ensure solid power delivery and long term reliability
- Zero RPM Fan Mode: Virtually silent operation at low and medium loads
- Fully Modular: Make your builds and upgrades easy, with clean, great-looking results
- Ten year warranty: Your guarantee of reliable operation that will last across several system builds

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