Power supply unit power 520 watt certificates 80 plus bronze pci express connectors 8 pin 2 serial ata connections 6 efficiency 100 82 cooling system active max fans 1 power factor correction active motherboard power connectors atx12v 204 pins atx12v eps12v 44 pins floppy 1 peripheral connectors 4 pin 6 current strengths 3 3v 24 a 5v 24 a 12v 40 a 12v 0 8 a 5vsb 2 5 a current 12v 40 a combined power 33v5v 130 watt