BuyDuplicator 1 Burner 20X DVD CD Duplicator Machine (Standalone Audio Video Copy Tower, Disc Duplication Device) 1. Serial ATA (SATA) interface (Faster transfer rate, more reliable error check) 2. Support Media Formats: DVD-R, DVD-RW, DVD+R, DVD+RW, DVD+R Dual Layer, DVD-R Dual Layer, CD-R, CD-RW 3. Self diagnostics when power on; Master Error Proof; Test Mode to ensure media and master compatibility 4. New! Ability to load disc image to HDD and rename the partition ( If Hard Drive installed ) 5. User friendly interface with message on LCD display, easy to operate by pressing one button