1 External DVD Burner. For USB external optical drive; USB optical drive slot-loading optical drive; support DVD burning 3.0USB. Support for Window2K/XP/2003/Vista/7,, Mac 10 OS system. Read speed: DVD+R DL 4X/DVD-R DL 4X/DVD-R 8X /DVD+R 8X/DVD-RW 6X/ DVD+RW 8X / CD-R 24X / CD-RW 16X.
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