Antec 550W 80-PLUS Gold Power Supply ATX12V/EPS12V 550 Power Supply 0-761345-25550-9 Energy Star Ready 550W Continuous Power 80 PLUS GOLD certified AQ5 16-pin Socket 135 mm LED FDB Silence 550W Continuous Power 80 PLUS GOLD certified AQ5 16-pin Socket 135 mm LED FDB Silence