The IBM Thinkpad X4 Ultra Base P/N 91 P9283 docking station is a vintage accessory designed specifically for IBM laptops. This docking station allows users to easily connect their laptops to a variety of peripherals, such as monitors, printers, and external hard drives. The absence of keys or leads indicates that this product may have been used for specific models of IBM Thinkpad X4 Ultra Base laptops, providing a convenient and efficient way to enhance the functionality of these devices.

Untested