The IBM Turbo 16/4 token ring PC card is an old-school networking add-on designed for laptops. This vintage piece is brand new, sealed in its original packaging, making it a rare find for collectors or enthusiasts of classic IBM hardware. The Turbo 16/4 model, in PC Card (PCMCIA) Type II form factor, offers a single port for wired network connections, providing a piece of technology history that is both functional and nostalgic.