RoHS compliant 1200W (220Vac), 900W (110Vac) Output power 12V Main output,3.3V or 5V standby output 1U sized; dimensions 12” x 4.75” x 1.6” 13.2 Watts per cubic inch density N+1 redundancy capable,including hot-docking Active current sharing on main output Over-voltage, over-current,over-temperature protection Internal cooling fans I²C Bus Interface with status indicators Optional 1U x 19” power-shelf