Power usage effectiveness

Power usage effectiveness (PUE) is a measure of how efficiently a computer data center uses its power; specifically, how much of the power is actually used by the computing equipment (in contrast to cooling and other overhead).
PUE= Total facility power /IT equipment power

PUE is the ratio of total amount of power used by a computer data center facility to the power delivered to computing equipment.

PUE is the inverse of data center infrastructure efficiency (DCiE). An ideal PUE is 1.0.


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