400 x 3200
400 x 3200 = 1280000
Example of 400 x 3200 pixels banner dimensions.
350 x 3250 360 x 3240 370 x 3230 380 x 3220 390 x 3210
400 x 3150 400 x 3160 400 x 3170 400 x 3180 400 x 3190
400 x 3250 400 x 3240 400 x 3230 400 x 3220 400 x 3210