Dell U2723QE UltraSharp 27" 4K USB-C Hub IPS Monitor - Panel Size: 27" - Panel Type: IPS - Resolution: 4K 3840 x 2160 - Aspect Ratio: 16:9 - Refresh Rate: 60Hz - Response Time: 8ms (GtG Normal), 5ms (GtG Fast) - Brightness: 400 cd/m2 - Contrast Ratio: 2000:1 (dynamic) - I/O: HDMI, DisplayPort 1.4,