PCI and PCI Express Slots Uses and Troubleshooting Explained

pci slotLearn the differences between PCI and PCIe, two types of buses in PC, from function, appearance, speed, and compatibility aspects. See how to distinguish them and how to mrate to PCIe SSD for better performance.PCIe Slot Structure. All PCIe slots are divided into two parts by a small protrusion in the middle separating them. This is why PCIe expansion cards, such as graphics cards,