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DVD drives

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.01 sec.
DVD drives
DVD drives are computer input devices that play, read and write DVDs. Similar to the DVD players that connect to a TV or home theater, they come in a variety of speeds and options (for details, see DVD player).

Each X Is 1.35MB Per Second
The first DVD (1x) transferred data at 1.35MB per second, and the number of X's is that number multiplied by 1.35MB (see list below). Each DVD X is equivalent to nine X's of CD speed because DVD 1x is 1.35MB and CD-ROM 1x is only 150KB. See CD-ROM drives and DVD.

               Data Transfer Rate
    X Rating   (MBytes/sec)

      1x        1.35
      2x        2.70
      2.4x      3.17
      3x        4.05
      4x        5.40
      5x        6.75
      8x       10.80
      10x      13.50
      12x      16.20
      16x      21.60
      22x      29.70
      24x      32.40
      26x      35.10


A Whole Lotta X's
This label comes from a Memorex DVD/CD drive made in 2005. Each "DVD X" is X times 1.35MB. Each "CD X" is X times 150KB.


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This is especially true of faster DVD writers and multi function DVD drives that have remote and infrared capability.
Featuring centralized management integrated with Microsoft Active Directory, DeviceLock enables administrators to control, monitor, shadow-copy, log and analyze end-user access to USB and FireWire devices, Wi-Fi and Bluetooth adapters, CD and DVD drives, serial and parallel ports, local and network printers, PDAs, smart phones and other plug-and-play devices.
It can hide files and folders, lock control panels and settings, prevent renaming of files or folders and file creation by type of file, restrict Internet downloads and control access to USB devices and CDR or DVD drives.
 
 
 
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