600W might seem like a lot to many people, but for the high end user there is no doubt that a good power supply is a must have. High end users often have dual graphics cards, multiple hard drives, a high end CPU, two optical drives and several fans involved in their current setup. With specs like that a 600W PSU is desirable if you want a completely stable system. The ST60F is capable of maintaining 600W of continuous power output at 50°C. The ST60F has quad +12V rails, for extreme performance and giving the Silverstone ST60F a total of 42 amps.