Asus ROG Strix XG27AQDMES 27'' QD-OLED 240Hz 2K QHD Monitor | QD - OLED Panel, Res: 2560 X 1440, 240Hz, 0.03ms GTG ) 2K. Key features: 27" Display Screen; 2560 × 1440 Screen Resolution; QD-OLED Panel; 240Hz Refresh Rate.