Will my graphics card work in all PCIe slots?

pci slotPCI slots on a computer allow you to install a wide variety of expansion cards, ranging from extra USB ports to wireless network cards to dedicated soundPCIe slots come in a variety of physically different sizes referred to by the maximum lane count they support, ie. x1, x2, x4, x8, x16, and x32. A PCIe card will fit into a slot of its size or bger,