Etzin PCI-E X1 to 4PCI-E X16 Expansion Kit 1 to 4 Port PCI Express

Here is something I recently found out I have tired this and it works You can use a PCIe x1 card, or a PCIe x4 card in a PCIe x16 slot

I see various mobos with, for example, 'half-length' PCIe x16 slots But this is a contradiction in terms A PCIe x16 slot by definition is

pcie slot pinout Based on TE's specs found online PCIe x1, PCIe x4, PCIe x8 and PCIE x16 each with 2 sizes of pin length below plastic body ( and

pcie 4 m2 in pcie 3 slot PCIe to PCI Adapter Card expands two PCI slot via your motherboard with PCI Express slot · with PCI Express Specification ·