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I understand that you would like to know the Mean Time To Failure (MTTF) for the Intel® Core™ i7-7700 Processor. I would like to help you with this.
I sent you a private message to request personal information to assist you with this request.
Approximately 105 processors use that socket. You want the MTTF on all of them?
https://ark.intel.com/Search/FeatureFilter?productType=processors&SocketsSupported=FCLGA1151 Intel® Product Specification Advanced Search