Originally Posted By: wfaulk
Windows and Exchange will certainly be able to use multiple cores, but a 25-user network isn't a big load on an Exchange server.


True, but (IMO) it's rarely worth bothering with single-core CPUs these days. I'd probably opt for a 64-bit CPU and plenty of memory.

Another question: will you be running AV on the Exchange box? That adds extra load...
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-- roger