What can I say,,, This is a DVDRW that also burns M-discs! Replaced an old LG DVDRW that could no longer read or burn video discs that I use primarily as an optical drive. I haven't run any tests and I don't feel like worrying and I haven't recorded my burns so I don't have numbers to offer but I can say this. It burns at least as well and as fast as my old LG Super Multi before it broke and was about 1/4 the price! After about a dozen burns, I haven't had any errors using Verbatim DataLifePlus discs.
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