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August 2013, Volume 2, Number 8

Building an energy efficient data center for savings

I am often asked about green, energy-efficient data centers and my answer is always the same: pursuing efficiency is both environmentally friendly and provides a good return on investment. Today, most companies’ infrastructure is highly virtualized and organizations are benefiting from higher efficiencies achieved from an optimized IT infrastructure. Another trend taking hold is the optimization of critical infrastructure, like power distribution and cooling. The average data center now consumes as much power on that critical infrastructure load as on the IT load, with UPS losses and cooling accounting for much of the cost. This translates to a data center power usage effectiveness (PUE) score of 2.0 or higher. On the colocation provider front, high efficiency designs with PUEs as low as 1.4 are becoming common in many new data centers, while providers with existing facilities are responding to the competition with redesigns, retrofits and upgrades to electrical, cooling and humidification systems. Many colocation providers now ...

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