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  • Last Updated : 28 Jun, 2020

DVD-RAM stands for Digital Versatile Disk – Random Access Memory.
DVD-RAM is a DVD optical disk storage on which data can be continuously read, erased, and written. It provides exceptional data integrity and damage protection and can be used for data storage and data backup.
Operating systems, such as Linux, Mac OS 8.6, and Windows XP support DVD-RAM. DVD-RAMs are readable and writable. DVD-RAM discs support error correction and defect management. DVD-RAM is used in video recorders, cam memory, and cam recorders.


Initially, there were only pure playback DVDs like DVD-Video, DVD-Audio, and DVD-ROM. Although it is the oldest rewritable DVD format, it is less common than the other two rewritable DVD variants DVD-RW and DVD + RW. They had jointly approved in 1996, additionally introduced the DVD formats DVD-RW and DVD + RW for various market interests. Both competing forms also based on the phase change technique, but they have some savings at the expense of good rewritability and data security.


  • Small files are quickly accessible
  • Users cannot manipulate the data
  • Data is retained for approximately 30 years
  • Disk defect management architecture protects data
  • Some devices can be written to and read at the same time
  • Can be rewritten more than 100, 000 times


  • Long life without physical damage-last atleast 30 years.
  • Can be rewritten over 100, 000 times.
  • Very fast access of small files.
  • Disc defect management designed to safeguard data.
  • Offer very large storage capacity compared to CD’s.
  • Can read data at the same time it is being written.
  • Less expensive than DVD-ROM.


  • High-speed media unavailability: Only 3x discs are readily available.
  • Expensive compared to DVD and CD recordable disks.
  • Don’t work in many devices as -R or -RW discs work.
  • Less compatibility than DVD+RW and DVD-RW.
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