27" WQHD (2560 x 1440) widescreen IPS zero frame monitor with AMD Radeon freesync technology Aspect Ratio is 16:9; Viewing Angle is 178º (H) / 178º (V); Brightness is 400cd/㎡ Response time: 1ms VRB and refresh rate: 144Hzz.Colour Supported:1.07 Billion 2 speakers, 2 watts per speaker Displays 400, DCI-P3 and low Delta e<2 Ports: 1 x Display Port, 2 x HDMI 2.0 and 4 x USB 3.0 Ports (includes HDMI and USB cable) Note: The incorrect resolution or an out of date video can cause the screen to appear blurry and screen flickering. After adjusting to the correct resolution and updating the video driver, restart the computer and to fix the screen