Yes, you can install a 1x PCIe card into a 16x or 4x PCIe slot

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Yes, you can install a 1x PCIe card into a 16x or 4x PCIe slot I have a 1050ti in 1st 16x slot, a bmd intensity pro 4k in 2nd slot and in the other 2 pcie 1x slots i have 2 bmd mini recorder

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Put it in the top slot which is pci-e 16x compared to the bottom slot at pci-e 4x PCIe x16 slot and that one Here is a

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