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DVD-R vs. DVD+R vs. DVD-RW vs. DVD+RW, What's the Difference?
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DVD recordable - Wikipedia
DVD recordable - Wikipedia
External DVD Drive for Laptop, TSV USB 3.0 CD/DVD +/-RW Optical Drive, Portable Slim CD ROM DVD Burner Reader Writer for PC Compatible with Mac OS, Windows, Vista, Linux, HP, Dell, Asus,