What are the standard PCIe sizes?

PCIE - mm PCI Express® Gen 3 Edge Card Connector pcie slot sizes So, there is no singular PCI Express slot There are actually four sizes : PCI Express x1, PCI Express x4, PCI Express x8, and PCI Express x16 pcie x16 expansion slot PCIe slot description ; 1 PCI Express version Each PCIe version corresponds to a specific data transfer rate between the processor and peripheral devices

pcie slot width Generally speaking, there are five physical sizes of PCIe cards: x1, x4, x8, x16, and x32 (FYI, PCIe x32 does exist with a maximum of 32 lanes,