Data Centers

Data centers in the 21st Century

IBM's research labs - Cooling techniques

Cabinets are fitted with rear-door heat exchangers, which suck in the hot exhaust air of the servers and blast it out again as cold air. The technology - the IP is owned by IBM - can take away up to 60 percent of the heat in a full rack, the company claims.

The result of these changes is a datacentre PUE (power usage effectiveness) of 1.27, which generated a return on IBM's investment within 10 months.

See Cool runnings: IBM's recipe for a happy datacentre, in pictures by Jon Yeomans

By Selena Frye

Selena has been at TechRepublic since 2002. She is currently a Senior Editor with a background in technical writing, editing, and research. She edits Data Center, Linux and Open Source, Apple in the Enterprise, The Enterprise Cloud, Web Designer, and...