The replacement product 8004AC power supply has the same form fit and function as the 8001PS. The 8004AC provides greater redundancy in a two-power supply configuration due to the increased power output.Primary InformationPower Device Type : Power supply - hot-plug - plug-in module Voltage Required : AC 100-240 V Power Provided : 850 Watt UNSPSC CodeUNSPSC Code : 39121004 Product IDUPC: 704364237415Manufacturer Part: DS1405E08-E5