Description:Dell Hot-Plug Redundant Power Supply 675 WattsFor the Dell PowerEdge 1800Dell Part# P2591Alternate Part# F4705Alternate Part# FD732Alternate Part# GJ315Alternate Part# K4320 Overview:The Redundant Power Supply from Dell™ provides reliable power for your mission-critical applications. It delivers up to 750 W of power. This redundant power supply is designed for use with Dell PowerEdge™ 2950 Specifications: CategoryDell PowerEdge Sub-CategoryPower Supply GenerationPE1800 Part NumberP2591 Products ID459758 Device TypeRedundant Power Supply Power Provided675 Watt Auto SwitchingYes CoolingActive Fan FanInternal PFC.95 - 1.0 ManufacturerDell