Because cooling costs account for a significant portion of the energy consumption of a typical data center, there is a demand for servers that can efficiently handle workloads while expending a minimal amount of power. 

This wiki page covers Power and Cooling features in Dell PowerEdge servers such as high efficiency power supplies, hot spare power supplies, and Fresh Air / chillerless configurations.  

Resources

Whitepapers

Dell PowerEdge 12th Generation Servers

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