pci slotLearn about PCIe slots, the interface that connects hh-speed components to your motherboard. Find out the different sizes, lanes, generations, and compatibility of PCIe slotsPCIe 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,