IBM 73P3315 manual Read speeds, Write speeds

Read speeds

Media	Read Speed
CD-ROM	24X Max.
CD-DA (DAE)	20X Max.
CD-R	24X Max.
CD-RW	24X Max.
DVD-ROM (single layer)	8X Max.
DVD-ROM (dual layer)	6X Max.
DVD-R (4.7 GB)	8X Max.
DVD+R	8X Max.
DVD-RW (4.7 GB)	6X Max.
DVD+RW	6X Max.
DVD-RAM (4.7/9.4 GB)	3X Max.

Write speeds

Media type	Write speed
CD-R	24X Max.
CD-RW	4X
High Speed CD-RW	10X
Ultra Speed CD-RW	16X
DVD-R	8X Max.
DVD+R	8X Max.
DVD-RW	4X Max.
DVD+RW	4X Max.
DVD-RAM	3X Max.

A-2IBM ThinkPad Multi-Burner Plus Ultrabay Enhanced Drive: User’s Guide