CPU

AMD Socket AM5 for AMD Ryzen 7000 Series Desktop Processors

AMD B650

Memory

4 x DIMM, Max. 128GB, DDR5 6400+(OC)/ 6200(OC)/ 6000(OC)/ 5800(OC)/ 5600(OC)/ 5400(OC)/ 5200/ 5000/ 4800 ECC and Non-ECC, Un-buffered Memory
Dual Channel Memory Architecture
Supports AMD EXTended Profiles for Overclocking (EXPO)
OptiMem II
Supported memory types, data rate(Speed), and number of DRAM module vary depending on the CPU and memory configuration, for more information refer to 

Graphics