With my LG GH22NS30 nevertheless scored 19 of 20 blanks with only one false fire. As burning software ImgBurn came with übervorsichtigem 4x speed used because Nero tends DL blanks problems when changing layers. Reading problems in other drives I'm still not met, any more than the effect of the ligand together cardboard discs elsewhere described. Almost perfect so (one star deduction because of a faulty Brands)., Where it is still too early to make statements about the long-term stability