The GP60NB50 8x Super-Multi Portable DVD Rewriter with M-DISC from LG is an external DVD rewriter capable of reading and writing both CDs and DVDs. Write data to a variety of disc formats including DVD-R, DVD-R DL, DVD-RW, DVD-RAM, M-Disc, DVD+R, DVD+R DL, DVD+RW, CD-R, and CD-RW, and read data from disc formats including DVD-R/RW/ROM, DVD-R DL, DVD-RAM (ver. 2.2), M-Disc, DVD-Video, DVD+R/+RW, DVD+R DL, CD-R/RW/ROM, and CD-DA (DAE). Along with versatile disc format compatibility, you also benefit from enhanced access rates as low as 139ms when accessing data stored on a CD-ROM as well as DVD sustained data rates up to 11.08 Mbytes/sec.