Ryzen 9000 & 7000 CPUs: 1 x PCIe 5.0 x16 (supports x16 mode) 3 x PCIe 4.0 x16 (support x1 mode) Ryzen 8000 CPUs: 1 x PCIe 4.0 x16 (supports x8/x4 mode) 3 x PCIe 4.0