240 x 3840

240 x 3840 = 921600

Example of 240 x 3840 pixels banner dimensions.

190 x 3890 200 x 3880 210 x 3870 220 x 3860 230 x 3850

240 x 3790 240 x 3800 240 x 3810 240 x 3820 240 x 3830

240 x 3890 240 x 3880 240 x 3870 240 x 3860 240 x 3850