Power supply unit power 400 watt certificates 80 plus bronze noise emission 314 db pci express connectors 8 pin 1 pci express connectors 6 pin 1 serial ata connections 4 efficiency 100 89 cooling system active max fans 1 power factor correction active special feature power switch motherboard power connectors atx12v 204 pins floppy 1 peripheral connectors 4 pin 3 current strengths 3 3v 21 a 5v 20 a 12v1 14 a 12v2 16 a 12