Power supply unit power 650 watt certificates 80 plus gold pci express connectors 8 pin 4 serial ata connections 6 efficiency 100 92 cooling system active max fans 1 power factor correction active motherboard power connectors atx12v 4 pins atx12v 8 pins atx12v 24 pins floppy 1 peripheral connectors 4 pin 4 current strengths 3 3v 26 a 5v 26 a 5vsb 3 5 a 12v 50 a 12v 0 5 a current 12v 50 a combined power 33v5v 150 wa