The OWC Thunderbolt 4 Dock features 11 ports including Thunderbolt 3, Thunderbolt 1, Ethernet, USB 3.0, USB 2.0, USB-C, and more. Made of aluminium in black colour, it is compatible with universal laptops and comes with a Thunderbolt 4 cable. With AC power and built-in USB port, it also includes a memory card reader. All serials have been internally tracked and documented to avoid scams.