Despite the 8K in its name, the HDMI two.1 port can support only as higher a resolution being an external 4K Exhibit at 60Hz refresh level, together with Screen choices of 2K/144Hz and 1080p/240Hz. Apple Display screen limitations indicate that its possible 8K/30Hz Exhibit support is restricted to Windows devices. https://www.linkedin.com/posts/anhometech_anhome-usb-c-hub-hdmi-adapter-sd-card-reader-activity-7180578073875001344-MUdi?utm_source=share&utm_medium=member_desktop