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What is the highest number of NUMA nodes in Windows 10 / Server 2012? In Windows 7, it was documented that OS supports only up to 4 NUMA nodes1 but with modern systems supporting 320 logical processors this clearly cannot be the case anymore.

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HP Sold an Itanium-based 64-socket/NUMA-node Integrity server that ran Windows Server 2003 for Itanium and Server 2008R2 supports 64 x64 sockets/NUMA nodes, I can't find any details for Server 2012R2 but I'd imagine it supports the same limits or more. No idea about client OSs.

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