Sony PCV-RX450 - Vaio Desktop Computer System Reference Manual page 18

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VAIO® System Reference Manual
** Data on a CD-RW is read at a variable transfer rate, ranging from 8X at the innermost track to 20X at
the outermost track (the data transfer standard 1X rate is 150 KBps). The average data transfer rate is
14X (2100 KBps).
†† The CD-RW writing speed may vary, depending on the media. The maximum CD-RW writing speed is 8X.
‡‡ Data on the CD-R/CD-ROM is read at a variable transfer rate, ranging from 13X at the innermost track to
32X at the outermost track (the data transfer standard 1X rate is 150 KBps). The average data transfer
rate is 22.5X (3375 KBps).
***The maximum CD-R writing speed is 12X (1X = 150 KBps).