This Apple USB SuperDrive CD/DVD External Drive A1379 is the perfect addition to your Mac computer. With a write speed of 24x, this external drive is capable of reading and writing various formats including DVD-R, DVD+R, DVD-RW, DVD+RW, DVD-ROM, CD-ROM, DVD-RAM, CD-R, DVD+RW Dual Layer, and DVD-RW Dual Layer. It comes with several features such as an in-built media server, media player, USB-powered, and a USB port. The interface is USB-A and it is compatible with Mac. This silver-colored external drive is ideal for burning CDs and DVDs, transferring files, and playing media files. Only used once !!!!