What Is A PCI Slot & For What It Use For?

pci slot The top slot on your motherboard will typically be the best place to mount your graphics card, as this is most often the slot that runs at the full 16x speed.. Learn about the different sizes and uses of PCI Express slots, from x1 to x16, and how they affect the bandwidth and performance of your expansion cards. Find out the typical examples of devices that use each slot type

jalang189 slot, A PCI slot is used to connect other processing cards to the main motherboard. Most motherboards use PCIe slots (PCI express). Motherboards.