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Environmental requirements
Specification Operational Nonoperational
Temperature (noncondensing) +5° C to +50° C
(+41° F to +122° F)
-20° C to +60° C
(-4° F to +140° F)
Relative humidity
(noncondensing)
10% to 80% 5% to 90%
Read speeds
Media Read Speed
DVD+R 4X Max.
DVD+RW 4X Max.
DVD+R Dual Layer (DL) 4X Max.
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.
CD-ROM 24X Max.
CD-R 24X Max.
CD-RW 20X Max.
CD-DA (DAE) 20X Max.
Write speeds
Media Write speed
CD-R 24X Max.
CD-RW 4X
High Speed CD-RW 10X Max.
Ultra Speed CD-RW 10X
DVD-R 2X Max.
DVD+R 2.4X Max.
DVD-RW 2X Max.
DVD+RW 2.4X Max.
DVD-RAM 2X Max.
Known media issues
Ultra Speed Plus (US+) CD-RW write Not supported
DVD+R Dual Layer write Not supported
18 ThinkPad Multi-Burner Plus Ultrabay Slim Drive: User’s Guide