The Mean Time Between Failure (MTBF), FIT and failure rate information are private and they require a nondisclosure agreement.
It is necessary to create a case number using our phone, chat or email support requesting the information for the Intel® Xeon® Processor E5-2620 v4. They will be sending the NDA document for your approval.
I am sending you the https://www.intel.com/content/www/us/en/processors/xeon/xeon-e5-v4-spec-update.html?_ga=2.144870708.... Intel® Xeon® Processor E5-2600 v4 Product Family Spec Update documentation.
I will provide further support if you need anything else.
Intel Customer Support