The AMD Epyc 7643 technical specifications and performance benchmarks are detailed on this page. The release date is Q1/2021. AMD Epyc 7643 supports the installation of SP3 socket on the motherboard. The number of cores is 48 with the base clock speed of 2.30 GHz. Maximum capacity and type of RAM supported are DDR4-3200. TDP is 280 W.