Posts Tagged Heat Density

Server heat densities hit a wall – CNA’s bring relief

Posted by David Vellante in Wikibon on October 20, 2009


Server designers face enormous challenges in the coming decade. Huge increases in processing power combined with the effects of virtualization are constraining server real estate and testing heat density limits. These issues are even more pronounced in very high performance system environments.

By 2008, high-end blade servers had already reached 10kWatts/sq. ft. in heat density, and the historical increase of 30% per year in heat density for servers is holding steady. If these trends continue, the operational costs associated with space, power and cooling for most servers will exceed the acquisition costs over the life of the equipment.
Server manufacturers are using several approaches to reduce heat density, including:

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