It has one or more magnetic heads that read and write data as the disk rotates. Today's standard high density disks hold 1.44 megabytes of information. Because they are backward compatible with standard floppies and due to their large capacity, relatively low cost, and durability, they are becoming a popular media for storing and transporting large files. The SuperDisk , however, is not as fast as a Zip drive. A high-capacity floppy disk drive developed by Iomega Corporation in 100MB and 250MB capacities.
Zip disks are slightly larger than conventional floppy disks, and about twice as thick.
Because of their large capacity and relative durability, they have become a popular media for storing and transporting large files. Jaz drive A removable disk drive developed by Iomega Corporation in 1GB and 2GB capacities. The Jaz drive in the ITL can access removable Jaz cartridges capable of storing 1GB of data. The Jaz drive has a 12-ms average seek time and a transfer rate of 5.5Mbps. The fast data rates and large storage capacity make it a viable alternative for backup storage as well as everyday use.