Lenovo ThinkSystem AMD EPYC 7643 48C 225W 2.3GHz Processor w/o Fan for SR665

Forty-eight cores at 2.3 GHz and a 225 W TDP: the AMD EPYC 7643 is built for the SR665 buyer who wants lots of threads. Lenovo supplies it as 4XG7A63620, without a fan, feature code BGQ5.

Virtual machine consolidation, container clusters and parallel batch jobs are the natural uses. The clock is moderate, which is the usual trade for a core-rich processor, so latency-bound single-thread tasks gain less. The 225 W rating asks for a chassis that can cool and power it.

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