Free Express Shipping! Samsung QM50C 50" UHD 4K Commercial Monitor UHD 4K (3840 x 2160) Native Resolution, Ultra-Slim Depth and Uniform Bezels, Control Support via LAN & RS-232, 3 x HDMI 2.0 - 1 x DisplayPort 1.2, 4000:1 Static Contrast Ratio, 500 nits...