28 9 / 2012
"The 1990’s data center, with air conditioning pouring through a raised floor, and featuring a water-cooled mainframe at the center, had a PUE of 1.92 to 2. That means it consumed about twice as much power as the amount used in actual computing; cooling was the largest power consumer after computing itself. Today, modern data centers built by Microsoft, Google, Facebook, or Yahoo have reduced that ratio to somewhere between 1.22 and 1.07."
“N.Y. Times Data Center Indictment Misses Big Picture” via InformationWeek
There are other worthwhile data points and arguments in this article to counter many of the flaws in the New York Times data center article.
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