Reading speed
| DVD+RW read speed |
4 x |
| DVD-RW read speed |
4 x |
| CD-R read speed |
24 x |
| DVD+R Double Layer read speed |
6 x |
| DVD-R read speed |
6 x |
| CD-RW read speed |
24 x |
| DVD-ROM read speed |
8 x |
| DVD-RAM read speed |
5 x |
| CD-ROM read speed |
24 x |
| DVD-R Double Layer read speed |
6 x |
| CD read speed |
24 x |
| DVD+R read speed |
6 x |
Writing speed
| CD-R write speed |
24 x |
| CD-RW write speed |
24 x |
| CD write speed |
24 x |
| CD rewrite speed |
24 x |
Access time
| CD-ROM drive average random access time |
150 ms |
| DVD drive average random access time |
170 ms |
Other features
| Media types supported |
CD-R, CD-RW, DVD-RAM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD+R DL, DVD-R DL |
Performance
| Drive device, buffer size |
2 MB |
| Interface |
Serial ATA |
The 43R9148 - ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA) is designed to easily install into the new native serial Ultrabay media bay found in selected ThinkPad systems such as the ThinkPad R400 and R500 Series. View DVD movies, record musica and data to inexpensive CD media, and install CD/DVD software with this optical drive option.