IBM 22P6972 manual Read speeds, Write speeds

Read speeds

Media	Read Speed
DVD-ROM (single layer)	4.1	- 10X constant angular velocity (CAV)
DVD-ROM (dual layer)	3.3	- 8X CAV
DVD-R (4.7 GB)	3.3	- 8X CAV
DVD-RW (4.7 GB)	3.3	- 8X CAV
DVD-RAM (4.7/9.4 GB)	2X zoned constant linear velocity (ZCLV)
DVD-RAM (2.6 GB)	1X ZCLV
CD-ROM	14 - 32X CAV
CD-R	14 - 32X CAV
CD-RW	10 - 24X CAV
CD-DA (DAE)	6.7	- 16X CAV

Write speeds

Media	Write speeds
DVD-R (for general, 650 nm)	2X	CLV
DVD-RW (Version 1.1)	1X	CLV
DVD-RAM (Version 2.1, 4.7/9.4 GB)	2X	ZCLV
CD-R	12X CLV
CD-RW	8X	CLV

A-2IBM Multi-Burner User’s Guide