This PCIe x1 to PCIe x16 Slot Extension adapter provides enhanced compatibility between motherboards and a variety of PCI Express expansion cards, allowing you to install a PCIe card (x1 - x16) in an x1 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 replacing the motherboard for the sake of compatibility.