The AMD Ryzen 9 3900 technical specifications and performance benchmarks are detailed on this page. The release date is Q3/2019. AMD Ryzen 9 3900 supports the installation of AM4 socket on the motherboard. The number of cores is 12 with the base clock speed of 3.10 GHz. Maximum capacity and type of RAM supported are DDR4-3200. TDP is 65 W.