What are Small PCIe x1 Slots Used For?

PCIe x1 to 3 x1 Slot PCI-e Express Switch Multiplier Hub GPU Riser x1 pcie slot x16 slot is the most capable slot of those and if you install an x16 supported card it works at fastest x8, x4 and x1 slots are x1 slot By specification, all PCIe cards are backwards compatible with the lowest bandwidth x1 lane slots If the x1 slot is designed with an open end,

x16pciexp slot By specification, all PCIe cards are backwards compatible with the lowest bandwidth x1 lane slots If the x1 slot is designed with an open end,