Product Name ProCurve 600 Redundant External Power Supply Product Type Redundant Power Supply Dimensions 1.7 " Height x 12.8 " Width x 17.4 " Depth Input Voltage 120 V AC 240 V AC Output Power 729 W Input Voltage Range 100 V AC to 120 V AC 200 V AC to 240 V AC Compatibility 5300xl series switches Frequency 50 Hz 60 Hz Output Voltage 12 V DC Additional Information The HP PROCURVE 600 Redundant Power supply provides 12V RPS for up to 6 stackable switches and 2 ports with 370W 50V PoE