Power supply unit power 500 watt certificates 80 plus pci express connectors 8 pin 2 serial ata connections 6 cable management non modular mains voltage 100 240 volt mains frequency 47 63 hz cooling system active max fans 1 fan diameter 120 mm power factor correction active special feature power switch mtbf 100 000 hours motherboard power connectors atx12v 204 pins current 12v 38 a combined power 33v5v 120 watt combined power 12v 45