PCIe X8 vs X4 slot speeds for 10Gb fiber

Riser Modules and PCIe Slots pcie slot sizes Figure 2 The standard PCI Express slot sizes on computers today are x1, x4, x8, and x16 Software compatibility is also ensured by the PCI pcie x 16 slot It allows some flexibility to use cards of one size with slots of another PCIe cards fit in any PCIe slot on a motherboard that is at least as

pcie 4 m2 in pcie 3 slot Typically, the size of the PCIe slots also represents the number of PCIe lanes For instance, PCIe x16 slots have x16 PCIe lanes, and PCIe x1