my drive is a Optiarc dvd rw ad-7530 a so we know we can burn dvd I have burn cd with no problems but like some guys say before on here u ned to use good medias ,this drive has no problems with Verbatim cd-r so I will buy Vertabim dvd ,my other pc has no problem using almost any cd or dvd but then u can go online to update the drive to work with new medias I have done that But,you cant update the firmware for the Optiarc and I wish the manufacture with is Nec/Sony tel us with media are compatible for this particular drive this will save lot of time and money Thanks guys