Best AM5 Motherboards for AMD Ryzen 7950X, 7900X, 7700X, 7600 ...
Some connectivity (such as m2 slots and PCIe) will change depending on what sort of processor you use, but you generally get a broad peripheral and expansion spectrum with this motherboard.
4 PCI-Express x16 Slots Motherboard | Pangoly
BTC-T37 GPU Mining Rig Machine Motherboard With CPU support 8 GPU PCIE slots USA.
pci express - PCIe x8 NIC in PCIe x16 slot - Server Fault
I have a motherboard with 2x PCIE 2.0 x16 slots. The one slot has a RTX 2060 6gb graphics card. I am considering putting a NVME SSD adapter with an NVME SSD in the other PCIE 2.0 slot.