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Types of DVDs

DVDs are digital data storage format used in software and other computer files. They offer very high storage capacity compared to compact discs. You can buy DVDs online from any standard website. There are a variety of DVDs available online, some of which are discussed below:

  • DVD- R: This is a recordable, write-once format compatible with most DVD players, DVD-ROM drives and recorders. It offers write-once and read- many storage formats. It holds approximately 4.7GB of video or data.
  • DVD-RW: This is a rewritable format of DVD-R with a capacity of 4.7GB of video or data. It can be used for about 1000 re-writes. It can be used only in the Burners and DVD Recorders supporting the DVD-RW format.
  • DVD-RAM: It is a rewritable disc available in two varieties- cartridge and non-cartridge and it comes with both single-sided and double-sided formats. However, these discs are a bit fragile in nature and cannot guarantee the integrity of data. It is useful if it is used like a hard drive. It can also be used to record TV shows, re-write them as many times as you want merely because of the fact that it can support about 100000 re-writes.
  • DVD+R: It is a recordable DVD format holding about 4.7 GB of data and it is compatible with most of the DVD players and even the DVD-ROM drives. It can record only once and the data will become permanent. The disc cannot be recorded a second time. It can be used in Burners and DVD Recorders supporting the multi-format recorders or DVD+R format recorders.
  • DVD+RW: It is a rewritable version of the DVD+R format with the capability of recording almost 1000 times and holding 4.7 GB of data. But it is used in the DVD+RW compatible recorders or multi-format recorders.

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