$ cdrdao drive-info /dev/scd0

Cdrdao version 1.2.2 – (C) Andreas Mueller <andreas@daneb.de>
SCSI interface library – (C) Joerg Schilling
Paranoia DAE library – (C) Monty

Check http://cdrdao.sourceforge.net/drives.html#dt for current driver tables.

Using libscg version ‘ubuntu-0.8ubuntu1′

/dev/cdrw: LITE-ON DVDRW LH-20A1S Rev: 9L02
Using driver: Generic SCSI-3/MMC – Version 2.0 (options 0×0000)

Maximum reading speed: 8467 kB/s
Current reading speed: 8467 kB/s
Maximum writing speed: 8467 kB/s
Current writing speed: 8467 kB/s
BurnProof supported: yes
JustLink supported: no
JustSpeed supported: yes