What's the bandwidth and form factor for PCIe x1 x4 x8 and x16?

pcie 2 0 x1 slot   Dan pciex16 slot

A PCIe x1 slot has only one PCIe lane Although there is only one PCIe lane, the PCIe x1 slot can be used for various low-power PCIe

DisplayPort , HDMI , VGA, or USB Type-C with display output Expansion slots PCIe x1 2230 PCIe x4 22802230 Combo (for System Requirements: There is an available PCI Express X1 slot, while supporting PCI-E X2 X4 X8 X16 It is a 1x card that does not need a 16x PCIE slot and 2

dogs slot Gigabyte B650 AORUS ELITE AX ATX Motherboard For AMD Ryzen 70008000 Series CPUs - AMD B650 Chipset - 3x - PCIe - 1x Internal USB Header Motherboards have 2 or 3 NVMe slots but Ryzen CPUs have total of 24 PCIe lanes