description : antec 500w earthwatts atx power supply, 80 plus certified (more than 80% effiicent at 20%, 50% and 100% load) , 80mm low noise cooling fan, dual 12v outputs: 12v2 for motherboards and peripherals; 12v1 for processor, 1 x 8-pin power station connector, 2 x pci-express connectors, 4 x sata connectors, 6 x ide connectors, over voltage protection (ovp), short circuit protection (scp), under voltage protection (uvp) and over power protection (opp)