Can someone explain me the PCI-E slot variations & sizes

Can someone explain me the PCI-E slot variations & sizes pcie slot length The slots differ in both length and speed based on their number of PCIe slot of appropriate lane size to support your PCIe GPU pciex1 slot Almost all motherboards offer a mixture of long and short PCI-E slots A full-length 89mm slot can support the fastest data rates, by

pciex1 slot Providing total bandwidth of up to 250MBps from the x1 PCIe host controller card, which allows the host computer to function as though the cards in the

pcie gpu slot The largest and latest PCIe standard is PCIe , but it won't get top billing for too much longer Version was unveiled in 2019 and is due An x16 slot accepts up to 16 lanes, but fewer lanes can be assigned Figure shows the concepts of PCIe lanes Notice how one lane has two