Sony DVD-RW 4.7GB, 2x Disc (25) 25DMW47RS2 B&H Photo Video
What's the Difference between DVD+R, DVD-R, DVD-RW, DVD+RW, and DVD-RAM? - Ask Dave Taylor
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,
DVD-R, DVD-RW | MAU ART & DESIGN GLOSSARY|Musashino Art University