# If you are comparing the detected drive space to the number written on the box of the HDD realize that the definition of "gigabyte" on the box and reality differ. The box's definition will be 1E9 bytes while reality's definition is 2^30 (1073741824 bytes). This introduces a scaling factor of 1953125:2097152 or roughly 0.93; this means that the actual space is 93% of the advertised price