The resolution is a high-density, 16:10 aspect ratio standard often found on "Retina" class displays like the MacBook Pro or high-end Windows ultrabooks. While it is frequently marketed alongside 4K content, it technically falls between QHD and true 4K (3840x2160). A "Windows 10 Red" theme at this resolution typically refers to high-resolution wallpapers or system skins designed to look sharp on these "3K" displays. Display & Wallpaper Guide

Windows 10 in native (2880x1800) resolution | Parallels Forums 2880x1800 Windows 10 Red 4K felbontГЎsban вќ¤ 4K H...