DupliM 1:7 DVD CD Copy Tower Duplicator Copier Burner Supported Media: DVD-RAM, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RW, CD-R and CD-RW Max. Write Speeds: DVDR 24x, DVDR DL 8x, DVD-RAM 12x, CD-R 48x, CD-RW 32x Buffer Memory: 128 MB Power: 115-230 VAC Switchable