Cincon CFM400S 400W AC-DC Power Supplies are compact 400W power supplies with a universal input range and up to 94% efficiency. These power supplies feature a 3″ x 5″ compact form factor, with a power density up to 17.3W/Inch3. Output voltages range from 12V to 54V, with currents rating from 7.4A to 33.33A when actively cooled by a fan. Cincon CFM400S 400W AC-DC Power Supplies have a 5V standby rail, as well as a 12V fan output for active cooling.