xrandr

Screen 0: minimum 8 x 8, current 3840 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 disconnected (normal left inverted right x axis y axis)
HDMI-0 connected primary 1920x1080+1920+0 (normal left inverted right x axis y axis) 510mm x 290mm
   1920x1080     73.95 +  60.00*   59.94    50.00    60.05    60.00    50.04
   1680x1050     59.95
   1600x900      60.00
   1440x900      59.89
   1400x1050     59.98
   1280x1024     60.02
   1280x800      59.81
   1280x720      60.00    59.94    50.00
   1152x864      60.00
   1024x768      60.00
   800x600       60.32
   720x576       50.00
   720x480       59.94
   640x480       59.94    59.93
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DVI-D-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 480mm x 270mm
   1920x1080     60.00*+
   1680x1050     59.95
   1600x900      60.00
   1440x900      59.89
   1400x1050     59.98
   1280x1024     75.02    60.02
   1280x800      59.81
   1280x720      60.00
   1152x864      75.00
   1024x768      75.03    60.00
   800x600       75.00    60.32
   640x480       75.00    59.94