Scythe SPSN-050P. Nominal power: 500 W, Efficiency: 80 %, Power protection features: over current, over power, over voltage, short circuit, under voltage. Fan diameter: 140 mm. Connector(s): 1 x ATX Main, 1 x EPS 12V, 2 x PCI-Express, 2 x Floppy, 2 x Fans. Weight: 2200 g