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Microsoft optimizes data center modules by removing server fans

Data Center Knowledge reports that Microsoft has removed the internal fans from its servers in the latest IT-PAC data center container modules. Instead, they're now relying on fans in the air handlers of the container which has reduced their overall energy usage:

    This strategy reduced overall energy usage, but altered the load distribution within the data center operation. This move had implications for PUE, which compares a facility’s total power usage to the amount of power used by the IT equipment, revealing how much is lost in distribution and conversion.

Dr. Dileep Bhandarkar, Chief Architect for Microsoft Global Foundation Services, discusses the tradeoffs and thought process behind the decision...