Asus TUF Gaming VG249QM1A 23.8" 270 Hz Gaming Monitor - Manual (Page 30)

3-12 Chapter 3: General Instructions
Resolution Frequency Refresh Rate Horizontal Frequency
1920x1080 60Hz 66.587KHz
1920x1080 60Hz 67.5KHz
1920x1080 85Hz 95.43KHz
1920x1080 100Hz 113.3KHz
1920x1080* 120Hz 135KHz
1920x1080 (DP)* 144Hz 162KHz
1920x1080 (HDMI)* 144Hz 162KHz
1920x1080 (DP/HDMI) 240Hz 270KHz
1920x1080 (DP)* 270Hz 308.33KHz
640x480P 59.94/60Hz 31.469KHz/31.5KHz
720x480P 59.94/60Hz 31.469KHz/31.5KHz
720x576P 50Hz 31.25KHz
1280x720P 50Hz 37.5KHz
1280x720P 59.94/60Hz 44.955KHz/45KHz
1440x480P 59.94/60Hz 31.469KHz/31.5KHz
1440x576P 50Hz 31.25KHz
1920x1080P 50Hz 56.25KHz
1920x1080P 59.94/60Hz 67.433KHz/67.5KHz
3846x2160P 60Hz 135KHz
Note: You must select one of the “*” timings for enabling ELMB or 144Hz feature with a compatible
GPU graphic card.