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. DVD Drive /DVD Burner /DVD RW Burner /Blu Ray DVD RW 16X /18X/20X/22X DVD RW (DVDwriter, DVD-RW) specifications are as following: Write speed: 16X double layer, DVD-R, 52X CD-R Rewrite speed: 12x DVD+RW, 16x DVD+RW, 32x CD-RW Read speed: 22x DVD-ROM; 52x CD-ROMDVDRWAccess ...