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A rewritable DVD drive lets you store far more data on a single DVD disc than you could store on a single CD-R disc. Single-layer media lets you store up to 4.7GB on a disc, while dual-layer (also referred to as double-layer) media lets you pack up to 8.5GB on a single disc. Like CD-RW drives, rewritable DVD drives support both write-once and rewritable media; the former is best used for creating DVD-Video discs playable on standard DVD players and for data archiving, while the latter is well suited for regular file backup.
Formats, speeds, compatibility--which to choose? We'll introduce you to the basics of rewritable DVD drives.
Whether you're shopping for the fastest or the most economical rewritable DVD drive, use these specifications to compare the various DVD burners.
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