Power supply unit power 850 watt certificates 80 plus gold noise emission 19 db pci express connectors 8 pin 2 pci express connectors 6 pin 2 serial ata connections 8 cable management semi modular efficiency 100 87 cooling system active max fans 1 power factor correction active motherboard power connectors atx12v 204 pins 2 x eps12v 44 pins floppy 2 peripheral connectors 4 pin 6 current strengths 3 3v 22 a 5v 25 a 12v1 70 a