Viewsonic Color Pro VP3256-4K 31.5" 4K UHD LED LCD Momintor - 16:9 - 32" (812.80 MM) Class - In-Plane Switching (IPS) Technology, 3840 X 2160 Resolution, 1.07 Billion Colors - Adaptive Sync, 350 CD/M², 5 MS, 75 HZ Refresh Rate - HDMI - DisplayPort - USB HUB