Sony Optiarc AD-7640A with brackets for Cube. Supports Dual Layer writing.

Software: With OS 10.2.8-OS 10.4, it can be used for writing with PatchBurn. OS 10.5 can be used as is. OS 9 for reading only.

Write and read speed:

8X Speed DVD±R Writing
8X Speed DVD+RW Writing
6X Speed DVD-RW Writing
6X Speed DVD±R (DL) Dual layer Writing
24X Speed CD-R Writing
24X Speed CD-RW Writing
24X Speed CD-ROM Reading
8X DVD-ROM Reading

Image is slightly different from actual product.