Echo Star 450-Watt 20+4-pin ATX Power Supply 450 watts total / High efficiency / Short circuit protection / Over current protection / Over power protection / 100% full load burn in Power Specifications: 115V, 230V switchable power supply / +3.3V, 28A / +5V, 34A / +12V, 14A / -12V, 0.8A / -5V, 0.5A / +5Vsb, 2.A Power Connectors: One (1) 12-inch 20/24-pin ATX power connector / One (1) 12-inch 4-pin ATX12V power connectors / Four (4) large Molex power connectors One (1) small floppy drive power connector Regulatory Approvals: CE / CB / Femko / CCC