A:Answer Nvidia cards respect the display's EDID, and this Hisense unit advertises 4k 60Hz resolutions as 4:2:0 only. Forcing the Nvidia driver to use an alternative EDID can make the display work with full 4:4:4 color in 4k 60Hz resolutions, but this is a cumbersome hacking job that should not be necessary. HISENSE, PLEASE replace the EDID with correct information via a firmware update!!! Or at least supply correct EDID files on your support website. For other owners out there, google this topic and follow the posts by n3k on avsforum.