How To Check PCIe Version of Slot and Motherboard

What Does PCIe x16 Mean? pcie slot size The Matrox PCI and PCIe technology guide explores the importance of evaluating different slot types when buying add-in graphics cards pcie 20 x16 slot The LPPCI spec assumes a PCI slot For those that don't know the The Height, size and retention bracket details for Low Profile PCI as

pcie x1 slot function The standard supports an x32 slot, but these are rare because of the length An x16 slot accepts up to 16 lanes, but fewer lanes can be assigned