Here's another review which is comprehensive and has justifiable criticism of Intel's approach with X299:*https://www.kitguru.net/components/cpu/luke-hill/intel-core-i9-7900x-skylake-x-10c20t-cpu-indepth-analysis/all/1/It's a good read.*
Don't see the exact hardware used, but this review appears beneficial nevertheless. OC to 4.7@1.25V too:http://hexus.net/tech/reviews/cpu/107017-intel-core-i9-7900x-14nm-skylake-x/
