1.Write speed: 16X double layer, DVD-R, 52X CD-R 2.Rewrite speed: 12x DVD+RW 316x DVD+RW, 32x CD-RW 4.Read speed: 22x DVD. Interface:USB2.0Windows2000/ME/XP,Mac OS9.2 and above DVD-RW(CD, DVD)(compatible USB1.1,it need USB supply power)24XCDRW, 8XDVDRW,DVD+R8X,DVD-R8X,CD-R24X DVD Drive /DVD Burner /DVD RW Burner /Blu Ray DVD RW 16X /18X/20X/22X DVD RW (DVDwriter, DVD-RW) specifications are as ...