The USB Super Link Adapter is typically a device used to establish a high-speed connection between two computers or between a computer and another device via USB. It might be used for transferring large amounts of data, networking two systems together, or for other specific tasks like sharing peripherals or connecting a computer to a particular hardware interface. The exact purpose and features of the device can vary depending on the manufacturer, but generally, it is a device that enhances or extends the standard functionality of USB ports.

The USB Super Link Adapter driver is required to ensure the proper functionality of the adapter when connected to a Windows computer. This driver enables the operating system to recognize the adapter and ensure it works correctly, allowing the device to perform its intended function, such as transferring data or creating a network.