1200 x 3840
1200 x 3840 = 4608000
Example of 1200 x 3840 pixels banner dimensions.
1150 x 3890 1160 x 3880 1170 x 3870 1180 x 3860 1190 x 3850
1200 x 3790 1200 x 3800 1200 x 3810 1200 x 3820 1200 x 3830
1200 x 3890 1200 x 3880 1200 x 3870 1200 x 3860 1200 x 3850