But his answer did have something to do with DVD ripping. You also said only about a Toshiba drive, not GSA-4163B's ripping speed.
To answer your question, just a quote from someone who tested GSA-4163B.
- Lite-On SOHC-5232K 16x : 17:10
- LG GSA-4163B : 16:52
- Pioneer DVR-108 : 26: 23
- Pioneer A06 + hacked firmware : 16: 54
That's the result of one South Korean DL movie only. It took a little over 18 minutes for 7,887MB of the first movie in the 007 series.