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Hitachi make dual Opteron water cooling system - FrostyTech.com Hitachi make dual Opteron water cooling system
Tue Jan 30, 2007 | 6:05P| PermaLink
PCSTATS.com
The new self-contained thermal solution will be used with two AMD Opteron 2220 (2.8GHz) processors in the HP xw9400/CT Workstation. Low noise and heat management were primary reasons HP chose watercooling, and subsequently the system produces at most 26dB under high load. HP plan on releasing the liquid cooled solution only to the Japanese market, the version sold in the United States will make use of a standard air cooled heatsink according to the report.
PCSTATS.com
Takeshi Nakagawa of Hitachi, Ltd. designed the dual CPU watercooling thermal solution. Fluid passes through one CPU water block to the next, and is capable of handling 240W of heat (2 x 120W). Concerning the reliability of the system, and the potential for fluid leakage. Hitachi selected tubing which minimizes vapor transmission loss, and resists deterioration. Additives were introduced into the fluid to minimize corrosion, so the self-contained water cooling system should be service free for at least 5 years - more than enough to cover the useful lifespan of the HP xw9400/CT Workstation computer.
PCSTATS.com
(The fluid circuit)
FULL STORY @ PC.WATCH.IMPRESS
(http://pc.watch.impress.co.jp/docs/2007/0130/hp.htm)


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