Microsoft isn't the only company looking to many lower-powered chips to replace a few high-powered CPUs in modern servers; ARM's first server processor has been detailed by Calxeda, a quad-core chip squeezing up to 480 cores in a 2U chassis. According to Computer World, the new ARM processors will be based on Cortex A9 cores - the same family as used in NVIDIA's Tegra 2 - and have an onboard interconnect fabric for communication between the nodes.
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