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Units of energy

The „Power Usage Effectiveness“ (PUE), combines the electrical energy absorption, which is effectively used for IT, with the entire energy absorption of the EDPC, including UPS, light, cooling etc. 

 

PUE=

The data centre's entire energy consumption

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Energy consumption in the IT area

 

 In the best case, PUE should therefore amount to 1. This is of course, especially for larger data processing centres, only a theoretical target value, because the main requirement for high availability is an uninterrupted power supply. Another format for describing the PUE is the „Data Center Infrastructure Efficiency“ (DCIE), which is reciprocal of the PUE 

 

DCIE =

Energy consumption in the IT area

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The data processing centre's entire power consumption

X 100

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