27 TFT LCD (IPS Panel), 3840 x2160 (4K Ultra HD), 20million:1 (DCR), 4.6ms (GTG Average), 1.07 Billion Colors, 100% sRGB, HDMI 2.0 x 1, MHL 2.0 x 2, DP 1.2a x 2 (mini DP inx1, DP in x 1); USB 3.0 (1up, 4 down) MultiPicture support,, VESA Wall-mount. Eyecare (Flicker Free and Blue light Filter, 2015 Energy Star Most Efficient Product, Ergonomic Design (Tilt, Height Adjust, Swivel and Pivot), 10Bit and Delta E</-2 Color Accuracy