Dell yesterday announced its new PowerEdge 6400 and 6450 servers, each capable of housing up to four Pentium III Xeon chips, as part of its push to take on Sun Microsystems and others as a provider of Internet infrastructure.

The new Dell machines take on new systems from IBM, which just announced its four-processor Netfinity 6000R, and Hewlett-Packard, which recently announced an unusual six-processor server that it is selling at the price of a four-way machine.

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