This ultra-thin clamshell USB drive adds DVD-ROM capability to netbooks and laptops without bulk or weight. About the size of a CD jewel case, the lightweight, energy-efficient drive plugs into a USB port that also supplies its power. The top-loading drive uses Constant Angular Velocity (CAV) to achieve fast read times of 8X (DVD) and 24X (CD) making it ideal for watching movies, listening to music, or transferring files when you're on the go. Reads most DVD-ROM and CD-ROM formats. For Windows Vista/XP. Includes 15" USB cable. 5/8" H x 5 1/4" W x 5 3/4" D. (9 oz.)