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

Explaining PCIe Slots pcie 1x slot The PCI Express x1 to x16 adapter accommodates low profile x2, x4, x8, x12 or x16 PCI Express cards, eliminating the cost and hassle of upgrading a PCIe card or pcie cem slot PCIe x1 slot can support all types of wireless cards, including the latest Wi-Fi 6 protocol However, a PCIe x1 slot can only support 1 Gigabit

pcie 4 in pcie 3 slot x16 slot is the most capable slot of those and if you install an x16 supported card it works at fastest x8, x4 and x1 slots are