Asus ROG Strix XG27AQMR 27" 1440p HDR 300 Hz Gaming Monitor - Manual (Page 30)

3-12 Chapter 3: General Instruction
Video Timing 1920 1080P 25 O O O
Video Timing 1920 1080P 30 O O O
Video Timing 1920 1080P 100 O O O
Video Timing 1920 1080P 119.88/120 O O O
Video Timing 3840 2160P 50 O O O
Video Timing 3840 2160P 60 O O O
Detail Timing 2560 1440 60 O O O
Detail Timing 2560 1440 120 O O O
Detail Timing 2560 1440 144 O O O
Detail Timing 2560 1440 200 O
Detail Timing 2560 1440 240 O
Detail Timing 2560 1440 270 O
Detail Timing 2560 1440 300 O
* The modes not listed in the above tables may not be supported. For
optimal resolution, we recommend that you choose a mode listed in
the above tables.