Also in question is whether Apple would even use 16:9 3840 x 2160 panels for a 4K display, as some have suggested that the company may prefer to push Thunderbolt 2 to its limit and support the wider 4096 x 2160 "Cinema 4K" standard given that the display will undoubtedly be targeted at professionals, many of whom in the film industry will be working with content using that resolution standard adopted for film production.