What is a SuperDisk?
The SuperDisk LS-120 is a high-speed, high-capacity alternative to the 90 mm (3.5 in), 1.44 MB floppy disk. The SuperDisk hardware was created by 3M's storage products group Imation in 1997, with manufacturing chiefly by Matsushita.

The SuperDisk's format was designed to supersede the floppy disk with its higher-capacity media that imitated the ubiquitous format with its own 120 MB (and later 240 MB) disk storage while the SuperDisk drive itself was backwards compatible with 1.44 MB and 720 KB floppy formats (MFM). Superdisk drives read and write faster to these sorts of disks than conventional 1.44 MB or 720 KB floppy drives. The newer LS-240 drives also have the ability to read and write regular 1.44 MB floppies at much higher densities.
The SuperDisk is a storage medium that was created to supplant the 90 mm 1.44 MB floppy disk. It was created by 3M's storage products group in 1997. The product was not commercially successful and was discontinued in 2003.
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(Optional) Context information is below.
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The SuperDisk LS-120 is a high-speed, high-capacity alternative to the 90 mm (3.5 in), 1.44 MB floppy disk. The SuperDisk hardware was created by 3M's storage products group Imation in 1997, with manufacturing chiefly by Matsushita.

The SuperDisk's format was designed to supersede the floppy disk with its higher-capacity media that imitated the ubiquitous format with its own 120 MB (and later 240 MB) disk storage while the SuperDisk drive itself was backwards compatible with 1.44 MB and 720 KB floppy formats (MFM). Superdisk drives read and write faster to these sorts of disks than conventional 1.44 MB or 720 KB floppy drives. The newer LS-240 drives also have the ability to read and write regular 1.44 MB floppies at much higher densities.
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Answer the following query.
What is a SuperDisk?

user
The SuperDisk is a storage medium that was created to supplant the 90 mm 1.44 MB floppy disk. It was created by 3M's storage products group in 1997. The product was not commercially successful and was discontinued in 2003.
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