This drive is a portable DVD burner. It can write data to DVD disc include dual layer DVD 8.5GB. Rewrite speed: 16x (CD) / 6x (DVD-RW) / 8x (DVD+RW) / 5x (DVD-RAM). You MUST use DVD player/ burner software to playback/ burn DVD disc, which is NOT included and NOT pre-installed in Windows/ Mac.
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