Lenovo ThinkPad 41N5647 - Manual (Page 30)

DVD-R Dual layer 6X Max.
DVD+R Double layer 6X Max.
DVD-RW 8X Max.
DVD+RW 8X Max.
DVD-RAM 5X Max.
Write speeds
Media Write speed
CD-R 24X Max.
CD-RW 16X Max.
DVD-R 8X Max.
DVD+R 8X Max.
DVD-R Dual layer 4X Max.
DVD+R Double layer 4X Max.
DVD-RW 6X Max.
DVD+RW 6X Max.
DVD-RAM 5X Max.
20 ThinkPad DVD Ultrabay Slim Burner User ’s Guide