The difference between PCIe x1, x4, x8, x16 and x32

What's the bandwidth and form factor for PCIe x1 x4 x8 and x16? pcie slot dimensions The IO to PCIE spacing for slot '1' is standard between motherboard sizes as I understand it The rest then follow 'down' the board pcie slot width These numbers correspond to the transmission line count in the PCIe slot The larger count of transmission lines, the larger dimensions of card

pcie slot gpu One PCIe x8 Slot Supports one half-length+ , full-height, single-width PCIe card