What is a PCI slot? What are its uses?

pci slotPCIe 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,Slot PCI Express merupakan bagian dari slot VGA Card, bila dulu ada slot AGP sekarang semuanya menggunakan PCI Express yang memiliki transfer data lebih cepat.