850 x 4000
850 x 4000 = 3400000
Example of 850 x 4000 pixels banner dimensions.
800 x 4050 810 x 4040 820 x 4030 830 x 4020 840 x 4010
850 x 3950 850 x 3960 850 x 3970 850 x 3980 850 x 3990
850 x 4050 850 x 4040 850 x 4030 850 x 4020 850 x 4010