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Server Power Play: Page 4 of 6

A Nexxus 4000 configured with eight dual-core processors on the Caretta motherboards and 32 Gbytes of memory starts at about $10,000. The Xeon version, also with eight processors, starts at about $14,000.

VXTech sells its products direct to customers, but Scateni said Ciara is developing a channel program for the VAR community.

These are the kinds of systems that you won't see from the top-tier OEMs. Though all have been working on power and cooling—Sun Microsystems released an eight-socket server this year—they are shying away from the ultra high-density offerings.

In a recent interview, Pradeep Parmar, Sun's x64 product line business manager, said customers wanting high density are looking at Sun's four-socket blade offerings. Those blades fit into Sun's chassis that spans nearly one-half of a rack.

Meanwhile, Paul Miller, HP's vice president for industry standard servers and blade systems, said the company doesn't have plans to release ultra-high-density servers anytime soon. "We are looking at it," he said. "We have some models and are talking to customers. But it's not a sweet spot in the marketplace."