Power supply unit power 450 watt certificates 80 plus bronze pci express connectors 8 pin 2 serial ata connections 4 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 atxeps 204 pins floppy 1 peripheral connectors 4 pin 3 current 12v 37 a combined power 33v5v 110 watt combined power 12v