Diablo 320-Watt MATX Power Supply Now that you've finally decided which CPU, motherboard and video card you want to put into your new computer, what are you going to do about the power supply? Revive your computer system with this Diablo 320-Watt power supply! It fits into a standard MATX case and will handle as many add-ons as your case can take! Diablo is a direct manufacturer of power source solutions, producing high quality power supplies. Diablo power supplies feature High efficiency, Low Noise and Ripple Output, Over Voltage protection and Short-ircuit protection at any DC output.