I Just bought a 4163B from newegg and I did some some test scans
nero speed3.55 create data disk.
HP branded cmc E01 +R 8x at 8x burn time 8:07
FujiFilm branded yuden T02 +R 8x at 12x burn time 6:41
I have not had good luck with this cmc E01 media, I think it could be a bad batch. As to the yuden T02, judge for you self.