What exactly does the spec “PCIe x16 slot ” mean?

Specifications x 1 (4

Slots are available in one-lane, two-lane, four-lane, eight-lane and 16-lane configurations, usually expressed as PCIe x1, x2, x4, x8 or x16

1 slot diffuser PCIE5 is used for PCIe x4 lane width graphics cards And it has the following sockets: • 1 x Hyper Socket (M2_1, Key

1x ddr4 sodimm slot The PCIe x16 Gen3 backplane has two PCI Express x16 slots, with one slot supporting the OSS target adapter card A PCIe x16, x8, x4 or x1 IO PCIe