64mb DDR3 Memory Buffer that is 4X faster than competing models using SDRAM * Support Copy of Disc to disc one to one, CD and DVD * Backed by Copystars 3 years labor and 1 years parts warranty * Support BDR,BDRE, Mdisc,DVD-R,DVD+r,Mini DVD, Data CD, audio CD,VCD, DVDRW,Dual Layer DVD,CDR. CDRW. * Featured USB3.0 connection, work as PC external burner when enabled.