4k

4K
4K resolution, also called 4K, refers to a horizontal resolution in the order of 4,000 pixels. Several 4K resolutions exist in the fields of digital television and digital cinematography. ... In the movie projection industry, Digital Cinema Initiatives (DCI) is the dominant 4K standard. - [|Wikipedia]

Examples

http://www.samsung.com/us/televisions-home-theater/tvs/4k-uhd-tvs/4k-uhd-ju6400-series-smart-tv-40-class-40-diag-un40ju6400fxza/