The unbeatable performance of the evga supernova g2 power supply line is now available in a 650 watt version based on the award winning g2 power supplies these units feature 80 plus gold rated efficiency and clean continuous power to every component the eco control fan system offers fan modes to provide absolutely zero fan noise during low to medium load operations backed by an award winning 7 year warranty and 100 japanese capacitor design the evga supernova 650 g2 power supplies offer