Can I Connect a x4 PCIe board into an x16 PCIe Slot? - NI

Have you ever thought if you can plug PCI Express cards into x16 lane slot? In this video

On PCIe X1, X4 and X16 slots, the first 18 pins are all wired the same, so as long as the PCI-Express card fits in the PCI-Express slot, it

pcie slot qrelease Thus, A PCIe x16 slot provides 16 lanes for data transfer, making it the slot with the highest available bandwidth among the commonly used PCIe configurations

pcie 40 gpu in 30 slot 1 x PCI Express x16 slot, supporting PCIe and running at x16 * The PCIEX16 slot shares bandwidth with the M2C_CPU connector