The Copystars SmartPro DVD duplicator equipped with latest Asus Green burner drives is ideal for professional copier whom need performance and reliability at the max. Equipped 128 mb fast DDR2 memory buffered controller with many advance functions and firmware is up-gradable. Industrial grade, customized power supply unit designated for heavy duty duplication job.Language is select-able in: English, Spanish, Portuguese or Japanese. Dual-level Security-Separate Startup & Setup passwords to prevent unauthorized usage. DVD duplication operation is controlled by 4 buttons with LCD display. Maximum Writing Speed, DVD +/-R: 24X; DVD+/-RW: 8X; DVD+/-DL: 8X; CD-R: 52X; CD-RW: 32X. The duplicator tower support various format of disc included -ROM, DVD-R, DVD-Video, DVD-RW, DVD+R, DVD+RW, DVD+R9, CD-DA,CD-ROM Mode 1, CD-ROM XA Mode 2, Multi-session Photo CD , CD-I, , CD Extra (CD Plus), Discs12cm 4.7GB DVD-R/RW; 12cm 4.7GB DVD+R/RW; 12cm 8.5GB DL DVD; 12cm80min/700MB CD-R; 12cm 74min/650MB CD-RW; 8cm 1.47GB mini DVD-R; 8cm24min/210MB mini CD-R; 8cm 50MB Business CD. Asus DVD drive is well known for stability, reliability and compatibility.