On computer motherboards, PCI slots, also known as Peripheral Component Interconnect slots, are standardized connections made for attaching different hardware components. These slots were first introduced in 1992 and are designed to hteen patti gameold expansion cards, including network adapters, sound cards, and graphics cards. Over time, the PCI standard has changed; the most recent iterations are PCI-X & PCI Express (PCIe). Users can increase their computers' capabilities without having to replace the entire system thanks to these slots, which are crucial for system customization and expansion. The easy installation and removal of expansion cards is made possible by the user-friendly design of PCI slots.