... .Powered by USB or external ac adapter 3.Plug & Play 4.Hot-swapping capability Technical DetailsUSB DVD-RW black, USB2.0 DVDRW ... 24X CD-R, 16X CD-RW, 8X DVD-ROM, 8X DVD+R 8X DVD-R, 4X DVD+RW, 4X DVD-RW, 2.4X Double layer Buffer Size ... RW, DVD-ROM, DVD-R, DVD-RAM, DVD-RW, DVD+RW, DVD+R, DVD+R DL, DVD-R DL Interface: USB2.0 (Compatible with USB1.1), Color: Black case Product DescriptionFeatures: External ...