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A DVD format wherein DVD-RAM discs can be recorded and erased repeatedly but are only compatible with devices manufactured by the companies that support the DVD-RAM format. DVD-RAM discs are typically housed in cartridges. DVD-R, DVD-RW and DVD-RAM are supported by Panasonic, Toshiba, Apple Computer, Hitachi, NEC, Pioneer, Samsung and Sharp. These formats are also supported by the DVD Forum.

For comparison and contrast, see DVD, DVD-R, DVD-RW, DVD+RW, and DVD+R.

Also see DVD Formats Explained in the Did You Know . . . ? section of Webopedia.

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