Nvidia's new GeForce RTX cards include a VirtualLink connector. This is a new standard designed for next-generation virtual reality (VR) headsets.
This standard is developed by a team of VR headset players including Nvidia, AMD, Microsoft, and Oculus to meet the needs of power, display data and other bandwidth requirements of next-generation VR headsets. The port looks like USB Type-C port because it is - VirtualLink is based on USB-C and offers high bandwidth over a single port. The ultimate aim is, as you may have guessed, simplify the bulky tethers of current VR headsets.