Corsair CV Series CV550 - 550Watt 80 Plus Bronze Certified Power Supply - BlackCORSAIR CV power supplies are ideal for powering your new home or office PC, with 80 PLUS Bronze efficiency guaranteed to continuously deliver full wattage to your system. Like all CORSAIR power supplies, the CV Series does exactly what it says it does: deliver continuous power at full capacity, no matter which wattage variant you choose. A 120mm thermally controlled low noise cooling fan only spins at high speed when your power supply is under heavy