Diskette 5¼" 2HD
Launched: 1984
Capacity: 1200 KiB
In 1984, IBM introduced the High Density 5.5" floppy disk format in its IBM AT, tripling its original capacity of 360 KB.
This was the last version of the 5.5" floppy disk, which would be surpassed in 1988 by 3.5-inch floppy disks.
