M.2 & PCIe Lane Confurations for B550 Unify Unify-X -

msi slotM.2_2 slot (From CPU) • Supports up to PCIe 5.0 x4 (For Ryzen™ 9000 7000 Series processors) • Supports up to PCIe 4.0 x4 (For Ryzen™ 8700 8600 8400 SeriesExpansion comes in the form of one PCIe 5.0 x16 slot, one PCIe 4.0 x16 slot, and one PCIe 4.0 x1 slot. MSI Z890 Godlike Motherboard Review