T is available PCI-e 4.0 or 3.0 x16 Slot on Mobo 2. The motherboard can support PCIe x16 Bifurcation itself, and can be set as”PCI-e x4x4x4x4″ in BIOS 3. CPU has enough channels to support 5. The motherboard need support “PCIEX16 Bifurcation”, Otherwise, only one M.2 SSD can be recognized.