IBM 73P3279 manual Environmental requirements, Read speeds, Write speeds

Environmental requirements

Specification	Operational	Nonoperational
Temperature (noncondensing)	+5° C to +50° C	-20° C to +60° C
	(+41° F to +122° F)	(-4° F to +140° F)
Relative humidity	10% to 80%	5% to 90%
(noncondensing)

Read speeds

Media	Read Speed
DVD-ROM (single layer)	8X Max.
DVD-ROM (dual layer)	6X Max.
DVD-R (4.7 GB)	4X Max.
DVD-RW (4.7 GB)	4X Max.
DVD-RAM (4.7/9.4 GB)	2X Max.
DVD-RAM (2.6 GB)	1X
CD-ROM	24X Max.
CD-R	24X Max.
CD-RW	12X Max.
CD-DA (DAE)	20X Max.

Write speeds

Media	Write speeds
DVD-R (for general, 650 nm)	2X
DVD-RW (Version 1.1)	1X
DVD-RAM (Version 2.1, 4.7/9.4 GB)	2X Max.
CD-R	16X Max.
CD-RW	4X
High Speed CD-RW	8X Max.

18ThinkPad Multi-Burner Ultrabay Enhanced Drive: User’s Guide