DESC: Feeling the need for faster DVD burning speed? Sony's DRX-840U delivers just that, with 20X max DVD+R burning, 12X max DVD+R Double/Dual Layer burning, and 12X max DVD+RW and DVD-RAM burning speeds. 20X max DVD+R burning will deliver a finished disc in about 4 minutes using standard 16X rated DVD+R discs. The DRX-840U sports a Hi-Speed USB 2.0 interface for fast and easy connection to your Windows Vista/XP/2000 PC.