Are quite inexpensive DVD + R DL, but are not, or incorrectly recognized by many torches. If they are not recognized OK, then you realize that yes same. For other burners (eg. As several types Samsung) the DVD is recognized but only she is fired incorrectly. This manifests itself by the fact that the DVD either then not readable, or only the 2nd layer has massive problems. Recognize you do that at the end of the burning process. The burning program then says "finished" the DVD but not ejected and it continues to be written and written forever (no one knows what). I can write the already continued overnight and after 12 hours was had still not final until I stopped. So please be treated with caution. Impeccable does the DVD on TEAC burners, because there was as yet no problems