Dell U-series Ips 4k Uhd 3840x2160 HDMI Usb-C LCD Monitor, Screen 31.5" (80.01cm), USB 3.2 Gen 2/USB-C hub, Power 90 Watt, Aspect Ratio 16:9, 4K 3840 x 2160 at 60 Hz, PP 0.18159 mm, Brightness 400 cd/sq. m, Contrast Ratio 2000:1 / 2000:1 (dynamic), Color Support 1.07 billion colors, Color Gamut 100% Rec 709, 100% sRGB, 98% DCI-P3, Response Time 8 ms (gray-to-gray normal); 5 ms (gray-to-gray fast), Anti-glare, 3H Hard Coating, Interface USB. Experience incredible color and superior black performance with a contrast ratio of 2000:1 on world's first 31.5" 4K monitor with IPS Black technology.