IBM hot water-cooled supercomputer

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IBM has announced that its first-of-a-kind hot water-cooled supercomputer has been installed at the Swiss Federal Institute of Technology Zurich (ETH Zurich). Named the Aquasar, the system not only consumes up to 40 per cent less energy than an air-cooled machine but the direct utilization of waste heat in the building's heating system translates to an 85 per cent cut in carbon dioxide emissions.

During warm summer months, one of the best places to work is in the server room of a networked office building or data center that uses cool air to prevent processor overheating. Such systems though are not too energy efficient so IBM started on a novel approach to cooling servers about a year ago as part of an initiative to create new technologies to solve business problems. Using warm water as a coolant might seem counter intuitive but the results speak for themselves.

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