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There is no fix for Intel’s crashing 13th and 14th Gen CPUs — any damage is permanent
(www.theverge.com)
This is a most excellent place for technology news and articles.
Those are tough requirements to meet, I'm not sure there is a low power CPU that can do it all. You would likely need to cluster some devices but that means you need a separate NAS anyway and that kind of defeats the purpose for your case.