What I am sure he is saying is it mostly depends on the CPU
"
1 x PCI Express x16 slot (PCIEX16), integrated in the CPU:
AMD Ryzen™ 9000/7000 Series Processors support PCIe 5.0 x16 mode
1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 25110/22110/2580/2280 SSDs:
AMD Ryzen™ 9000/7000 Series Processors support PCIe 5.0 x4/x2 SSDs"
AMD Ryzen™ 9000/7000 Series Processors( I would think also 8000 series, so if the board says yes, and you are running one of those types of CPUs then yes