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

slots and one x1 slot There is also the C7X99-OCE-F Or if you want the x16 slots to actually be x16

PCIe boards can fit into slots designed for their lane configuration or higher Plugging a x4 PCIe into a x16 slot is acceptable

phfun slot Ever wondered how you can jam a PCIe 16x card like a video card into a PCIe 1x slot? Now

mgm national harbor slot payout So I believe most of us here are familiar with the concept of a PCI-E 16x slot being capable of providing up to 75w of power through the