Highlights 31.5" OLED Panel HDMI | DisplayPort UHD 4K 3840 x 2160 at 240 Hz Full HD 1920 x 1080, 480 Hz Gaming Mode FreeSync | G-Sync Compatible 0.03 ms (GtG) Response Time 1.5 Million:1 Static Contrast Ratio 275 nits Brightness 1.07 Billion Colors with HDR10 Pixel Sound Audio | USB Hub