Computer supplies are designed to utilize all outputs and not for a single voltage. Computer supplies are multi output switching supplies specifically designed for desktop computers. These supplies can offer high power outputs that can exceed 600W in the standard ATX case. These supplies feature +3.3V, +5V, +12V, -12V, +5VSB (Standby, Always "ON"), outputs with the 20 pin (2 X 10) Motherboard with the 2 X 4 expansion for newer 24 pin connectors. Supplies have various device connectors including 2X4 pin 12V core, multiple 4 Pin IDE (HDD, DVD etc.). Some supplies have SATA for the newer hard drives and PCIe for high power graphics cards. These supplies are for world wide use with an input range of 90-240VAC and a IEC C-14 Input AC power connector for international cordsets.