Blue Star 550W 204 pin Dual Fan ATX Power Supply w SATA Blue Star 550W 20+4-pin Dual-Fan ATX Power Supply General Features: Output power: 550 Watt AC Input: 115V - 230V Dual Fan design Complies with ATX 12V 2.0 version Quiet Fan One (1) 12-inch Main power 20+4 pin power connector Two (2) SATA connectors Six (6) Large Molex power connectors One (1) floppy connector One (1) 12-inch ATX 12V connector DC Output: