AGON AG276QSD AOC Pro 26.5-inch 2K QHD 2560x1440 Gaming Monitor, Display HDR 400, QD-OLED Display Technology, 360Hz Refresh Rate, 0.03ms Response Speed, Adaptive Sync Technology, HDMI 2.1 Port, Lighting Effects, Supports 120Hz at 2K Resolution, Adjustable Stand, Built-in Speakers - Black/Gray Very clean, used for 4 months