Stands for "Digital Versatile Disc Random Access Memory." DVD-RAMs are writable DVDs. The discs can also be erased and rewritten like the DVD-RW and DVD+RW formats. However, DVD-RAM discs work only when placed in an enclosing cartridge, meaning they won't fit in most standard DVD players or DVD-ROM drives. The first DVD-RAM media could hold 2.6GB on a single-sided disc, but newer double-sided discs can store up to 9.4GB.
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