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A disk storage technology developed by Imation Corporation that supports very high-density diskettes. SuperDisk diskettes are etched with a servo pattern at the factory. This pattern is then read by the SuperDisk drive to precisely align the read/write head. The result is that a SuperDisk diskette can have 2,490 tracks, as opposed to the 160 tracks that conventional 3.5-inch 1.44 MB diskettes use. This higher density translates into 120 MB capacity per diskette.

Unlike other removable disk storage solutions, such as the Zip drive, SuperDisk is backward compatible with older diskettes. This means that you can use the same SuperDisk drive to read and write to older 1.44 MB diskettes as well as the new 120 MB SuperDisk diskettes.

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