Sony DRX-830UL/T External DVD+/-R 18X Double/Dual Layer and Dual Format DVD Drive DVD+R double layer and DVD-R dual layer burning Store up to 8.5 GB of data on one single sided, double layer DVD disc Record up to 4 hours of video on double/dual layer discs Works with 4.7 GB DVD+R/+RW and 8.5 GB double/dual layer discs Award winning Roxio Toast 6 Lite for Macintosh and Nero 7 Software suite for Windows with a software bundle for burning all your video, music, and data to DVD or CD. *Includes:Power, 4-pin and 6-pin i.LINK(FireWire/IEEE1394) and Hi-Speed USB cables