Dear Valued Customer {JUST WANTED YOU TO KNOW) WE REALLY APPRECIATE YOUR PURCHASE ~thank you~ Features + Supports a maximum of one 4K@60Hz display with two 4K@30Hz displays, Or, three 4K@30Hz displays. Other resolution permutations which are less than or equal to 4K@30 will be fine also, E.g., three 2K, three 1080p, 4K+2K+1080p ete, Support 7.1ch surround audio Support AMD Infinity, Intel collage, NVIDIA Surround Plug-n-play, no software or driver Installation needed Package contents * DP 1.