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GMA-4020B GMA-4020B DVD-RW/CD-RW DRIVE GMA-4020B GMA-4020B GMA-4020B GMA-4020B GMA-4020B GMA-4020B Multi-Format Writing DVD-R, DVD-RW, DVD-RAM, CD-R, CD-RW GMA-4020B Reads DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD-RAM, CD-RW, CD-ROM Record up to 4.7GB of Data Per Side on DVD Media GMA-4020B High Speed Media Support...