Overheard: Word of the Day

Apr 8 2008   3:11PM GMT

Video: IBM unveils hydro-cluster green supercomputer

Margaret Rouse Margaret Rouse Profile: Margaret Rouse

The product name is the Power 575. IBM is promoting is as a hydro-cluster supercomputer. To paint it green, the literature says the Power 575 requires 80 percent fewer air conditioning units and reduce total cooling costs by 40%. (It’s water-cooled).

[kml_flashembed movie="http://www.youtube.com/v/ioCZojN4A0g" width="425" height="350" wmode="transparent" /]

Key points discussed at last visit to IBM:

1. Water cooling is 4,000 times more efficient than air cooling.

2. Air cooling has become too expensive and there’s a finite limit to how much power you can bring in.

3. It’s tough to budget ahead for air cooling – power costs are a big unfriendly variable.

4. Heated water is easier to recycle than heated air.

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