
PUE stands for Power Usage Effectiveness, a metric used to measure the energy efficiency of data centers by comparing the total energy consumed by a facility to the energy used specifically by its IT equipment[3]. This metric is significant because it helps identify energy waste, aids in benchmarking data center efficiency, and supports efforts to reduce operational costs and environmental impact[2][6]. A lower PUE indicates a more efficient data center, enhancing performance while reducing energy consumption[4].
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