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

Types of PCIe Slots PCle Lanes pcie slot meaning The initial PCIe specification defined a Gbs data transfer rate per A x1 electrical card in any compliant PCIe slot will always run in x1 electrical mode pcie 3 slot For instance, on supported systems a PCIe x16 slot can be configured into two PCIe x8 lanes, or more smaller lanes, depending on what the

pcie slot dimensions PCIe expansion slot definitions ; 2 PCIe HL, HH · x8, 8, 4, 1 ; 3 PCIe HL, HH · x16, 16, 8, 4, 1