PCIe Speeds and Limitations

If any of the PCI Express slots could be considered a “sleeper”, it's probably the x4 slot The x4 slot is largely relegated to upgraded versions of x1

x4 Lane 250 MBs 500 MBs 1 GBs 500 MBs 1 GBs 2 GBs PCI Express and PCIe are registered trademarks of PCI-SIG NVMe is a

pcie 30 in 40 slot Biostar ; 1, 1 x AMD Socket AM4 CPU ; 2, 4 x DIMM DDR4-4933+ ; 3, 4 x SATA III Connectors ; 4, 1 x PCIe x4 Slots ; 5, 1 x PCIe x4 Slots

pcie 50 slot x16 PCIe slot supporting x8 PCIe Gen4 Key M slot with x4 PCIe Gen4 x4 + 3 x1 USB*, USB Type-C connector