27" 16:9 IPS Panel, HDMI 2.0 - DisplayPort 1.2 - 3.5mm, QHD 2560 x 1440 at 165 Hz, FreeSync Premium, 2.5 ms (GtG) Response Time, 1000:1 Static Contrast Ratio, 250 nits Brightness, 1.07 Billion Colors (8-Bit + FRC), HDR10 Support - Dual 2W Speakers, 100 x 100mm VESA Mount. Built for gaming and entertainment the OMNI 27 1440p HDR 165 Hz Gaming Monitor from ViewSonic features a 165 Hz refresh rate and AMD FreeSync Premium technology both of which help to eliminate screen tearing and stuttering for fluid game play during fast-paced action scenes. Further smoothing out screen performance are response times of 2.5 ms (GtG) and 0.5 ms (MPRT) which help remove blurring and ghosting. Thanks to the fully ergonomic stand and its three-sided borderless design users will have their viewing area maximized while flexible connectivity options that include HDMI 2.0 and DisplayPort 1.2 will let you connect to your dedicated GPU and gaming console.The OMNI has also been built with IPS panel technology a native resolution of 2560 x 1440 a 16:9 aspect ratio support for 1.07 billion colors HDR10 for an expanded color palette a static contrast ratio of 1000:1 a 250 nits brightness rating and viewing angles of 178?. Audio can be output using the 3.5mm headphone jack or dual 2W speakers. To further help improve viewing and accessibility this display may be tilted from -5 to 20? swiveled 30? and pivoted ±90?. It may also be mounted on a wall using the 100 x 100mm VESA mounting pattern.Please note that only the DisplayPort supports a refresh rate of 165 Hz. The HDMI port only supports up to 144 Hz.