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, there is one DisplayPort. Yes, one headphone is out. USB-C Indeed. HDR 10. Savor the Magnificent Clarity For High Dynamic Range imaging, the LG 27UP550N-w 4K UHD (3840x2160) displays four times the resolution of Full HD with standard HDR 10s. sRGB IPS Colors that are 98% realistic IPS computer monitors provide 98% coverage of the sRGB color spectrum and help maintain color consistency at a wide viewing angle. Color Adjusted helps prevent slow changes and maintain accurate color on the screen. Full support for 4K resolution videos from streaming services is provided by HDCP 2.2 compatible monitors.