Data transfers with USB 3.1 Gen 2 at speeds of up to 10 Gbit/s, DisplayPort video output (HBR3), and charging up to 100 W. Use this cable to connect a Mac with Thunderbolt 3 (USB-C) to Thunderbolt 3 devices such as docks, hard drives, and displays. You can daisy chain up to six Thunderbolt 3 devices.