Introducing the evga supernova 650 gs and 550 gs power supplies these power supplies take the award winning features of the new evga gs lineup and provide them at an extremely affordable price the evga supernova 650 and 550 gs power supplies offer superior performance gold rated efficiency and are completely silent when under low loads backed by a 5 year warranty and high quality japanese capacitors these power supplies are the right choice for excellent efficiency low noise levels and