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Data on a DVD-ROM is read at a variable transfer rate, ranging from 2X at the innermost track to 4X at
the outermost track. The average data transfer rate is 3.3X (4455 KBps).
‡
Data on a DVD-RW/DVD-R is read at a constant transfer rate of 2X.
** Data on a CD-ROM is read at a variable transfer rate, ranging from 10.3X at the innermost track to 24X
at the outermost track. The average data transfer rate is 17.2X (2580 KBps).
†† Data on a CD-RW/CD-R is read at a variable transfer rate, ranging from 6.9X at the innermost track to 16X
at the outermost track. The average data transfer rate is 11.5X (1725 KBps).
‡‡ Data on a CD-RW/CD-R is written at a constant transfer rate of 4X (max for CD-RW), or 8X depending on
the speed you select. High-speed writing to a CD-RW disc is not supported.
***Data on a DVD-RW/DVD-R is written at a constant transfer rate of 1X (max. for DVD-RW), or 2X,
depending on the speed you select.
††† Data on a CD-R/CD-ROM is read at a variable transfer rate, ranging from 17X at the innermost track to
40X at the outermost track. The average data transfer rate is 28.5X (4275 KBps).
‡‡‡ Data on a CD-RW is read at a variable transfer rate, ranging from 12X at the innermost track to 28X at
the outermost track. The average data transfer rate is 20X (3000 KBps).
Identifying Components
5
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