AOC 27-inch IPS 170Hz Gaming Monitor, 1ms 27-inch QHD Gaming Monitor This 27-inch Q27G2S/D gaming monitor features the essentials for competitive gamers, with a smooth 170Hz refresh rate, 1ms MPRT response time, and tear-free certified G-Sync technology. With a resolution of 2560 × 1440, Quad HD provides superior visual clarity with sharper images and finer details, even in full screen. The monitor's IPS panel offers consistent image quality when viewed from all angles. The monitor also offers more vibrant colors with the official VESA Display HDR 400 standard.