Aluratek AEOD100F 8x DVD - Double-layer - DVD-RAM/±R/±RW - 8x 8x (DVD) - 24x 24x (CD) - USB - External

Simply plug this dvd-writer drive and you will begin to enjoy watching movies, writing requisite forms of multimedia content to the discs, and much more Double-layer media supported; means that you will burn 2 different layers on the disc thus greatly increasing (literally doubling) the storage capability