The issue of power and cooling in the datacenter has become a top priority for IT executives. Working with customers and applying IDC data sets against industry standards of datacenter thermal metrics, it is apparent that the evolution of the datacenter has been outpaced by the rate of server technology advancement. Driven by demands for higher levels of compute performance, yet constrained by tight budgets, datacenters have increased in density, with smaller servers running faster processors. The resulting rise in power consumption has become a significant cost factor for the business' operating expense, while cooling capacity has become a limiting factor in terms of IT expansion. In 2005, $26.1 billion was spent to power and cool the worldwide installed base of servers. This is more than double the cost from 10 years ago of $10.3 billion.
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