Power Utilization Effectiveness: Where’s the Beef?

Data Center Knowledge (Nov 22 2011)

1. Mark Thiele of Switch writes that PUE was created to help provide a common, standardized metric for determining the relative “effectiveness” of your use of power across the data center and associated IT systems; however, the use of PUE does come with significant caveats. My Power Usage Effectiveness (PUE) is 1.10, so my data center is better than your data center running at a PUE of 1.20? Could be, but not necessarily. As most people in the data center field know today, PUE was created to help provide a common, standardized metric for determining the relative “effectiveness” of your use of power across the data center and associated IT systems. I’m personally a fan, and have used PUE to help me build and manage data centers against a pre-defined goal of cost-of-ownership. However, the use of PUE does come with significant caveats, like the fact that higher ... (Read Full Article)

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