27" QHD Display with 120Hz, Adaptive Sync, and Height-Adjustable Stand The AOC 27B3QA2 delivers stunning 27" QHD visuals with a 120Hz refresh rate, 1ms MPRT, and Adaptive Sync for smooth, tear-free performance. Enjoy added convenience with built-in 2W speakers, narrow borders, and eye-friendly low blue light and flicker-free technology.