Power supply unit power 850 watt max power 1 020 watt certificates 80 plus gold pci express connectors 8 pin 6 serial ata connections 12 cable management fully modular mains voltage 100 240 volt mains frequency 47 63 hz cooling system active max fans 1 fan diameter 140 mm power factor correction active special feature power switch mtbf 120 000 hours motherboard power connectors atx12v 204 pins atx12v 44 pins floppy 1 peripheral conn