TEAC CD-W552E is most likely based on ASUS' design, like previous TEAC is. Drive is available in Europe for more than a week.
It is able to write to CD-R media with the following speeds:
4X, 8X, 12X, and 16X (CLV mode)
24X, 32X, and 40X (Partial-CAV)
To CD-RW media it can write at 2X, 4X, 8X, 10X, 12X, 16X (CLV) and 24X (Partial-CAV).
It has a buffer of only 2 MB and the average access time is indeed 100 ms.
Here is the manual
in portable data format.