AOC U27B3AF 27" 4K UHD 4ms HDR10 10-Bit IPS Monitor - Panel Size: 27-inch - Panel Type: IPS - Resolution: 4K UHD 3840x2160p - Aspect Ratio: 16:9 - Refresh Rate: 60Hz - Response Time: 4ms GTG - Brightness (typ): 350 cd/m2 - Contrast Ratio (typ): 1000:1 - Displayable Colours: 1.07 Billion - Speakers: 2W x 2 - I/O: 1x DisplayPort 1.4, 2x HDMI 2.0, Earphone - Ergonomics: Height, Tilt - VESA Mount: 100x100mm - HDR 10, Flicker Free, Low Blue Mode - U27B3AF · 3840 x 2160 (UHD) with 10-bit Colour · HDR 10 · Built-in Speaker · Flicker Free · IPS Panel for Wide Viewing Angles