Tripp Lite 4-Port Mini DisplayPort to DisplayPort Multi Stream Transport Hub, MDP 1.2, MDP to DP, UHD 4Kx2K (B155-004-DP-V2) Displays the same Image on 4 DisplayPort monitors, Extends the desktop across them, or combines all into one large monitor Supports HD video resolutions up to 3840 x 2160 (4K x 2K) Supports DTS-HD, Dolby TrueHD and 7.1-Channel surround Sound Works with all operating systems 1-Year Limited Warranty