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