U27G3X 27" 4K Gaming Monitor AOC U27G3X gaming monitor featured in 4K Ultra High-Definition (3840 x 2160) resolution delivers ultra-crisp picture quality and allows users to see more on the screen at one time. With a 160Hz refresh rate and 1ms response time, your display will be equipped to perform at the programing standard. Adaptive Sync technology provides fluid, artifact-free performance at virtually any framerate. ... 3840 × 2160 (UHD) 160Hz 1ms AdaptiveSync Fast IPS DisplayHDR 400