Types of PCIe Slots PCle Lanes

A PCIe x1 slot is a type of expansion slot on a computer's motherboard that provides one lane of PCIe connectivity It is designed to support low-bandwidth

Take a look at this picture of a PCI-Express x1 slot that was cut out to allow down-plugging a PCIe x16

x16pciexp slot Install a low profile video card into a system with only a x1 PCIe slot • Install x4 or larger PCIe cards into a system with only x1 PCIe slots available

x1 pcie slot However, there is usually a cost increase incurred with higher lane counts PCIe Slot Differences Photo from 20050531pci-express-cards