More possibilities - This usb 4 cable for thunderbolt 4 cable compatibility with thunderbolt 3 /4 devices and hosts. It is also backward compatible with USB-C 3.2, 3.1, and 2.0 speeds and devices. Supports data transfer 2x faster than standard USB C thunderbolt cable. Powerful display support - This usb 4.0 cable for thunderbolt 4 cable can drive one 8K@30Hz/5K@60Hz display or dual 4K@60Hz displays at the same time. Notice: if you connect to USB C port for video output, please make sure your USB C device supports Display Port Alternate Mode (Alt Mode).