5.25 inch Floppy Disk

5.25 floppy disk icon 5.25 inch Floppy Disk

Also known as: 5¼ inch floppy diskette, 5.25 inch minifloppy, 5.25" floppy disk


Technology magnetic disk
Dimensions 5.25 inches by 5.25 inches
Date introduced 1976
Storage Capacity Single-sided, 8 sectors/track: 160 KB (1981)
Single-sided, 9 sectors/track: 180 KB (1983)
Double-sided: 360 KB (1983)
High-Density (HD): 1.2 MB (1984)
Note: dates are for IBM PC support. Other hardware supported these (and other capacities) earlier.
Created by Shugart
Wikipedia Floppy_disk
See also Successor to the 8 inch floppy
Succeeded by the 3.5 inch floppy


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