AMD EPYC Milan 7C13 CPU 64 cores 2.0Ghz unlocked , OEM Version of AMD EPYC 7763
7C83 official version EPYC Milan 64 core 128 threads, base frequency 2.45Ghz, maximum core frequency 3.5Ghz, 3200MHz/8 channels, 204.8GB/s/PClE4.0, TDP280w, It's a OEM Version of AMD EPYC 7763 CPU. AMD EPYC™ 7003 Series.