is it possible to hack a server motherboard to support two desktop CPUs

uday asked:

Is it possible to install or hack two desktop CPUs, e.g. two Core i7 instead of two Xeon into a server motherboard? If not why?


My answer:

For the processor to be usable in a multi-socket configuration, it must expose the QuickPath Interconnect externally. Intel desktop processors do not do so.

You’ll need to use a Xeon, and not just any Xeon; some of the lower end ones can only be used in single socket configurations. Check its specifications at Intel’s ARK site to make sure that it can be used in a multi-socket board. For modern processors, this will be listed as Scalability with a value of e.g. 1S, 2S or 4S (sockets).

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