5.25 Inch Floppy Disk
Definition - What does 5.25 Inch Floppy Disk mean?
Techopedia explains 5.25 Inch Floppy Disk
The 5.25-inch floppy disk was available in different capacities: 360 KB low density, 160 KB single sided and 1.2 MB high density. This floppy disk usually had 10 sectors, and sometimes 16. The introduction of the 3.5-inch floppy disk, which had a larger storage capacity and a rigid case, made the 5.25-inch floppy disk obsolete.