Excelent burner, I have so far not yet had committee with the burner BD-R25GB media, use Quvido and Verbatine BD R25GB 4xspeed is fired up 6xspeed. MediaRange coming up next. For testing, I have a Verbatine BD RE25GB used 2xspeed, everything went great so far. Brenner from me a clear _Kaufempfehlung_!