Corsair CX Series™ | CX550 – 550 Watt | 80 PLUS Bronze ATX Power Supply

80 PLUS Bronze efficiency up to 88%
Guaranteed continuous power
120mm low-noise cooling fan
Compact 125mm length

CORSAIR CX Series Power Supplies feature low-noise cooling and a compact design for an easy fit in nearly any modern case. Delivers consistent power to your PC with up to 88% operational efficiency, generating less heat and lowering your energy costs. Fitted with a thermally controlled fan that only spins at high speed when your power supply is under heavy load, automatically slowing down for quieter operation at lower loads. A compact 125mm-long casing ensures an easy fit in almost all modern PC cases.