Power supply unit power 550 watt certificates 80 plus gold pci express connectors 8 pin 2 serial ata connections 6 cable management fully modular mains voltage 100 240 volt efficiency 20 89 efficiency 50 92 efficiency 100 90 max fans 1 fan diameter 80 mm power factor correction active special feature power switch motherboard power connectors atx12v 204 pins current 12v 46 a combined power 33v5v 80 watt combined power 12v