Power supply unit power 550 watt pci express connectors 8 pin 1 pci express connectors 6 pin 1 serial ata connections 4 cooling system active max fans 1 power factor correction active special feature auto fan control motherboard power connectors atx12v 204 pins atx12v 44 pins floppy 1 peripheral connectors 4 pin 3 current strengths 3 3v 30 a 5v 35 a 12v1 22 a 12v2 20 a 12v 0 5 a 5vsb 2 5 a combined power 33v5v 250 watt