Sony DRX-810UL External USB & iLINK Double Layer DVD Combo Drive Windows compatible DVD+R Double Layer/DVD+RW Drive Includes Nero (Windows) Software Suite Burns 8.5GB DVD+R DL (Double Layer) Discs and standard 4.7GB DVD+R &amp; DVD+RW Discs Burns a full DVD in about 6 minutes Dual Interfaces  Connect via USB 2.0 or i.LINK (FireWire/IEEE1394 compatible)