The D-Link DE-220PCT 10Mbps Combo 16-Bit Ethernet ISA Adapter is a vintage computing product that allows for high-speed Ethernet connectivity in computers that support the ISA bus. This adapter is brand new, sealed, and unopened, ensuring that it is in pristine condition for use. Ideal for retro computing enthusiasts looking to expand their system's capabilities, this D-Link card offers reliable networking performance and compatibility with older systems.