A: Only the host, the cable, and connected devices all support thunder protocol then the 40Gbps theoretical speed is achieved.
Q:Do all Type-C devices are supported?
A:Only displays and computers with USB-C port and Thunderbolt 3 port are supported.
Q:How to achieve 8K/60Hz resolution?
A:The host and the display as well as the video need to support 8K resolution as well.