Open your eyes to breathtaking levels of detail with the asus pb279q 4k uhd monitor the pb279q features a 169 aspect ratio wled display that delivers 3840 x 2160 resolution 4k uhd visuals with a pixel density of 163 pixels per inch ppi the pb279q has over 8 million pixels four times the pixel density of standard full hd displays for astonishingly detailed visuals allowing you to experience more onscreen real estate and stunning image clarity that have to be seen to be believed the pb27