Power supply unit power 550 watt certificates 80 plus bronze pci express connectors 8 pin 2 serial ata connections 6 cable management semi modular mains voltage 100 240 volt cooling system active max fans 1 fan diameter 120 mm power factor correction active special feature power switch motherboard power connectors atx12v 204 pins floppy 1 peripheral connectors 4 pin 3 current 12v 46 a combined power 33v5v 120 watt combined power 12v