M, DVD-R, DVD-RW, DVD+R, DVD+RW, CD-R, CD-RW, CD-ROM. Port: USB 3.0. USB External Drive. USB cable length: 9 in. Reading speed: DVD-ROM 8x ;CD-ROM 24x; Burning speed: DVD-R,DVD+R 8X;DVD-RW 4X;CD-R 24x.
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