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I/OMagic IDVD24DLE External DVD-Writer. DVDRW DRIVE 24X EXT USB2.0 DUAL FORMAT LAYER W/ PLAYBACK S/W DVD. DVD-RAM/ R/ RW Support24x Write/8x Rewrite DVD - Dual-Layer Media Support - USB 2.0
![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 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](https://external-preview.redd.it/vEgyecmOTwtyvAaQv74qWFYYb53kQ6kVhg5B1ixN38I.jpg?auto=webp&s=051f73fd38dbe0bb92ffe6c836b87e5130513b9e)
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
What are the differences between various types of writable DVD media (DVD-R, DVD+RW, and DVD+R?) - Quora
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