Screen 0: minimum 320 x 200, current 4480 x 1080, maximum 16384 x 16384
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
HDMI-0 connected 1920x1080+2560+0 (normal left inverted right x axis y axis) 160mm x 90mm
   1920x1080     60.00*+  50.00    59.94    30.00    25.00    24.00    29.97    23.98
   1920x1080i    60.00    50.00    59.94
   1280x1024     60.02
   1360x768      60.02
   1152x864      59.97
   1280x720      60.00    50.00    59.94
   1024x768      60.00
   800x600       60.32
   720x576       50.00
   720x576i      50.00
   720x480       60.00    59.94
   640x480       60.00    59.94
   720x400       70.08
DVI-0 connected primary 2560x1080+0+0 (normal left inverted right x axis y axis) 673mm x 284mm
   2560x1080     60.00*+
   1920x1080     60.00
   1680x1050     59.88
   1280x1024     75.02    60.02
   1280x800      59.91
   1152x864      75.00
   1024x768      75.08    60.00
   800x600       75.00    60.32
   640x480       75.00    60.00
   720x400       70.08

sudo apt-get install arandr