Acer Predator XB271HK bmiprz 27-inch IPS UHD (3840 x 2160) NVIDIA G-Sync Widescreen Display (2 x 2w speakers, 4- USB 3.0 Ports, HDMI & Display Port) 27-Inch IPS UHD Widescreen with 3840 x 2160 resolution Refresh Rate: 60 Hz, Response Time: 4ms; Dimensions (H x W x D) 15.80" - 21.70" x 24.20" x 10.60" w/ stand ; 14.50" x 24.20" x 10.60" w/o stand Pixel Pitch: 0.155mm. Flicker-less Technology-Reduces annoying screen flickering that can cause eye strain when viewing the monitor for long periods. Signal Inputs: 1 x HDMI (v1.4) & 1 x Display Port (v1.2) Please Note: Kindly refer the User Guide and user manual below.Brightness:300 Nit