Sony's external DVD burner incorporates new 8.5GB DVD-R Dual Layer, DVD+R Double Layer burning and dual format 4.7GB DVD burning. DVD+R burning speed is a blazing 16X max, burning a full DVD in approximately 6 minutes. Double Layer and Dual Layer Recording speed is 4X max. DVD+RW speeds are 8X max for DVD+RW and 6X max for DVD-RW respectively. Ultra fast 48X max CD-R burning means you no longer need a separate CD Burner for good performance. The attractive DRX-800UL comes bundled with an unbeatable Nero 6.6 software suite and incorporate dual interfaces - both Hi-Speed USB 2.0 and i.LINK (Firewire & IEEE1394 compatible) interfaces are included.