IBM 22P6959 manual Read speeds, Write speeds

Specification	Operational	Nonoperational
Temperature	+5° C to +45° C	-30° C to +60° C
(noncondensing)	(+41° F to +113° F)	(-22° F to 140° F)
Relative humidity	25% to 85%	10% to 90%
(noncondensing)

Read speeds

Media	Read Speed
DVD single layer	3.3 to 8X	Constant Angular Velocity (CAV)
DVD dual layer	2.4 to 6X	(CAV)
DVD-R - 3.95 GB	1.5 to 3.5X (CAV)
DVD-R - 4.7 GB	1.7 to 4.1X (CAV)
CD-ROM/CD-R	14 to 32X (CAV)
CD-RW (ISO 9660, closed)	10 to 24X (CAV)
CD-DA (DAE)	10 to 24X (CAV)

Write speeds

Media	Write speeds
CD-R	8X	Constant Linear Velocity (CLV)
CD-RW	4X	(CLV)

Note: You can mount the drive vertically or horizontally.

A-2IBM 8x4x32x8 CD-RW/DVD-ROM Combination Drive: User’s Guide