PCIe x1 card won't work in any slot but the x16 slot directly below GPU

What is PCIe x1 slot used for? - STC-Cable pcie x1 slot function A PCIe x1 slot has exactly one PCIe lane to use, and the same rule will generally apply moving up the ladder through x4, x8, and x16 slots Each available PCIe pcie x32 slot Yes A larger PCI express slot fits all smaller PCI express cards That means you can plug an x1, x2, x4 or x8 card into an x16 slot

pcie slot size PCIe slots are used to connect graphics cards, sound cards, other interface cards and some