The Ultra X-4 500W is more than enough for a mainstream build. A low noise 135mm fan and silicone gasket ensure that the X-4 500W will be as quiet as it is powerful. Combine this with a solid 32 amps on the 12v rail, with 24 amps each at 3.3 and 5v, and the Ultra X-4 500 looks like a very formidable power supply.