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DVD-RAM VS. Minidisc. Brothers or cousins? The DVD-RAM case looks like a Minidisc case. But the resemblance stops there, it is not a magneto-optical disc. : r/minidisc
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DVD-RAM—the only consumer optical format to store data in physically sectored concentric rings like a hard drive, rather than in a spiral groove. When it was introduced in 1999, the 4.7GB disc
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