Keeps an eye on specifications Dimensions: 27"; Type: IPS Panel Resolution 3840 x 2160 Aspect Ratio 16:9 Contrast Ratio 1000:1 Angle of View 178º (R/L) 178º (U/D) 60 Hz Refresh Rate D-Sub and VGA input and output Not using HDMI Yes, two DisplayPorts Yes, one headphone is out. 4K UHD HDR This monitor is compatible with VESA DisplayHDR 400 high dynamic range, which supports particular color and brightness levels that are beyond the capabilities of standard monitors, helping content creators to more fully realize their vision. Immersion of a Large Display 27"" 3840x2160 IPS UHD 4K Three-Side Almost Borderless Style HDR DCI-P3 95% and Vivid Color (Typ.) Features of the VESA DisplayHDR 400 AMD FreeSyncTM VESA DisplayHDRTM 400 Brighter and Clearer HDR with Tilt, Height, and Pivot Find a more realistic image with a high dynamic range that offers more striking contrast.