Sony(R) DRX840U External Multiformat 20x DVD Double Layer Drive

External DVD burner supports all major DVD and CD formats, including DVD-RAM and Double Layer DVD+/-R, with 8.5GB capacity per disc.Hi-Speed USB 2.0 interface provides easy connection to a desktop or notebook computer and speedy data transfers, up to 480Mbps.Up to 20x write speed on single-layer DVD+/-R media, up to 12x on DVD-R Double Layer, 8x on DVD+R Double Layer.Up to 12x write speed on rewritable DVD-RAM media.CD max. speeds: 48x write, 32x rewrite, 48x read.Includes Nero(R) software suite: Nero Burning ROM SE/Express, Nero BackItUp, Nero InCD and more.Compatible with desktop and notebook computers running Windows 2000/XP/Vista. Requires an available USB port.Backed by the manufacturers 1-year limited warranty.