It is possible to connect a display with a resolution of nearly 4K at 240Hz to the HDMI port on these Mac types: Check the hub specs to find out which shows they support: some are limited to HD displays, Many others support 4K (also called UHD) shows. The refresh https://type-c-to-hdmi11975.idblogz.com/27167854/5-simple-techniques-for-mac-hdmi-adapter