Logisys PS550A_BK - Power supply - AC 115/230 V Logisys 550W ATX Power Supply General Features: Black housing 20/24 pin ATX connector 550-watt power supply 3 x 3-inch fan One (1) 12-inch ATX power connector One (1) 12-inch 12V ATX power connector One (1) 12-inch SATA power connector Four (4) 12-inch 4-pin large Molex power connectors One (1) 12-inch 4-pin small floppy power connector