What is the purpose of the PCIe X1 slot

What is the purpose of the PCIe X1 slot pcie 2 0 x1 slot 1 x PCIe x1 slot pcie x1 slot function PCIE x16 x8 is good enough for up to a 2080Ti under both Linux and Windows Estimated upcoming 5000+ shadercore gpus might be limited

pcie x1 slot function 2 in addition to reviewing this particular drive): https What are PCIe x1 Slots Used For?

pcie 4 slot 2*PCIe x1 5 EZ-Latch 6 Socket AM5 Supports AMD Ryzen™ Series EZ-Latch：PCIe x16 Slot & Connectors with Quick Release & Screwless Design PCIE x16 x8 is good enough for up to a 2080Ti under both Linux and Windows Estimated upcoming 5000+ shadercore gpus might be limited