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Heat aisle corridor
Inside the heat aisle corridor, temperatures can climb to as high as 49°C. This is partially because of the intensity of the jobs run by the servers, Turff said. Typical co-location facilities run at around a 5KW drawdown per rack, but PGS runs at between 15 and 20KW, due to the relative power-intensity of its high-performance computing specification servers, he added.
The hot air rises and is conducted through an overhead plenum into an adjoining sequence of interconnected rooms, then it is pushed back into the datacentre to be drawn through the front of the servers.
Photo credit: Jack Clark
Want to know more about PGS's 'lunatic fringe' computing? Read ZDNet UK's datacentre tour diary.