Screen: 68.6 cm (27") 4K UHD (3840 x 2160) DP:120 Hz, DP Overclock:144 Hz, HDMI:60 Hz, Panel Technology: IPS (178°x 178°) G-sync, Inputs: Display Port, HDMI, USB (Universal Serial Bus) Hub 3.0x 4 (1up 4down), Response Time: 1 ms VRB, Brightness: 400 cd/m&178;, Energy Class: A View certificate,