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

Can someone explain me the PCI-E slot variations & sizes pcie slot length 1x PCI-E x16 @ x16 PCIe lanes connected to the slot · 1x PCI-E x16 @ x4 · 2x PCI-E pcie x 16 slot However, there is usually a cost increase incurred with higher lane counts PCIe Slot Differences Photo from 20050531pci-express-cards

pcie x 16 slot Calculating PCIe Limitations · As mentioned before, PCIe capabilities might affect the network adapter performance · The maximum possible PCIe bandwidth is

pcie4 slot PCIe x1: These are the smallest PCIe slots, used for almost any other cards like average network adapters and USB expansion cards · PCIe x4: The full-height PCIe adapter slots are located on the left side of the expansion node and are numbered 1 and 2