Regardless of the 8K in its title, the HDMI 2.1 port can support only as high a resolution as an exterior 4K Display screen at 60Hz refresh fee, in addition to Screen selections of 2K/144Hz and 1080p/240Hz. Apple display limits suggest that its probable 8K/30Hz Exhibit support is limited to https://usbctohdmi90864.blogspothub.com/26430314/about-hdmi-to-usb-converter