Dell UltraSharp U2718Q 27-inch 4K LED Monitor (210-AMSE) - Resolution: 3840 x 2160 at 60Hz, Contrast Ratio: 1300: 1 (typical), Response Time: 5ms, Aspect Ratio: (16:9), Brightness: 250 cd/m (typical), Connectivity: 1 x DisplayPort 1.2, 1 x mini DisplayPort 1.2, 1 x HDMI 2.0, 1 x USB 3.0 - Upstream, 4 x USB 3.0, 1 x Audio line-out, Adjustability: Tilt, Swivel, Pivot, Height Adjustable, Wall Mountable: VESA (100 x 100mm), 3-Year Next Business Day Exchange Warranty