Users who need dependable and fast networking capabilities will find these NICs indispensable because they support gigabit Ethernet, have dual-band Wi-Fi connectivity, and are equipped with advanced networking protocols. PCI slots have thred tiger slots freee ability to expand a computer system's number of expansion ports in addition to its networking features. To offer more connectivity choices for peripherals like external storage devices, cameras, and audio interfaces, expansion cards like USB controllers, SATA controllers, and FireWire adapters can be installed in PCI slots. This enables users to increase the number of ports and connectivity options on their computer systems as needed, thus increasing its capabilities.