Lenovo ThinkPad 43N3213 CD-RW/DVD-ROM Ultrabay Slim 9.5mm Drive Records up to 700 MB of data on a CD-R or CD-RW Supports read compatibility with multiple CD and DVD approved formats Supported formats include CD-R, CD-RW, DVD-RAM, DVD+R,DVD+RW,DVD+R Double Layer, and DVD-R Dual Layer