1280 x 3840
1280 x 3840 = 4915200
Example of 1280 x 3840 pixels banner dimensions.
1230 x 3890 1240 x 3880 1250 x 3870 1260 x 3860 1270 x 3850
1280 x 3790 1280 x 3800 1280 x 3810 1280 x 3820 1280 x 3830
1280 x 3890 1280 x 3880 1280 x 3870 1280 x 3860 1280 x 3850