850 x 4020
850 x 4020 = 3417000
Example of 850 x 4020 pixels banner dimensions.
800 x 4070 810 x 4060 820 x 4050 830 x 4040 840 x 4030
850 x 3970 850 x 3980 850 x 3990 850 x 4000 850 x 4010
850 x 4070 850 x 4060 850 x 4050 850 x 4040 850 x 4030