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Dell PowerEdge M1000e Chassis Management Controller Firmware Version 5.1 User’s Guide

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Power Supply Redundancy

When power supply redundancy is enabled, a PSU in the chassis is kept as a spare, ensuring that the failure of any one PSU does not cause the servers or chassis to power-down. Power Supply Redundancy mode requires up to four PSUs. Additional PSUs, if present, are utilized to improve power efficiency of the system if DPSE is enabled. Subsequent failures after loss of redundancy may cause the servers in the chassis to power down.


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