What is the purpose of the PCIe X1 slot

Can I insert a PCIe x4 card into a PCIe x1 slot? 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 PCIe slots come in different physical configurations: x1, x4, x8, x16, x32 The number after the x tells you how many lanes (how data travels to

pcie x16 expansion slot CPU PCIe lanes have 3 roles; 1) Connect to the first PCIe slot closest to the CPU, which are normally used for discrete GPU 2) Connecting to