DVD Duplicator Copypal Series - Standalone 1 to 4 Target Sata DVD Copier Duplicator Tower Operation: Stand-alone (No PC Required) Supported Disc Formats: DVD-ROM, DVD-R, DVD-Video, DVD-RW, DVD+R, DVD+RW, CD-ROM, CD-R, CD-Audio Disc, CD-RW, Multi-session Photo CD, CD-I, Video CD, CD-ROM XA, & CD Extra (CD Plus) Interface: Serial ATA (SATA) interface, Faster transfer rate, more reliable error check Maximum Writing Speed: DVD+RW 8X, DVD-R 24X, DVD-RW 8X, DVD+R 24X, DVD+R DL 8X, DVD-R DL 8X, CD-RW 32X, CD-R 52X Warranty: 3 year labor & 1 year parts, free life-time technical support