data density
measure of the quantity of information bits that can be stored on a given length of track, area of surface, or in a given volume of a computer storage medium
en-US/ˈdædə ˈdɛnsɪti/
en-GB/ˈdeɪtə dɛnsɪtiː/
measure of the quantity of information bits that can be stored on a given length of track, area of surface, or in a given volume of a computer storage medium