What is a PCIe slot with an x4 slot and x16 connector?

What is a PCIe slot with an x4 slot and x16 connector? slot pcie The adapter slots are located in two PCIe riser assemblies that provide a mechanical structure to support the PCIe adapters and connect the adapters to the slot film Also, PCI slots are the same sizes for all devices PCIe slots differ depending on which form factor it accepts The longest would be the 16-lane slot and, the

slot film 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

slot gaming machine 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  I explain in this video what devices PCIe x1 slots are used for on a motherboard I also attempt