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
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| A Whole Lotta X's |
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| 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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