Today Tech-Report rounds up a couple different power supplies to see who performs, and who is easiest on the wallet and ears.

THE MAJORITY OF attention in PC enthusiast media is dedicated to graphics cards, processors, chipsets, and motherboards. Power supplies are generally not thought of as the most interesting PC components, but they can often be the most vital, especially for system stability when you're pushing your hardware to its limits. You see, the power supply is responsible for keeping all of your PC's flashy goodies fed with ample quantities of steady, clean power. Without a good power supply, your high-end system could be reduced to a mess of crashes and instability.