Fujitsu Mobile RE25U300J 300GB 2.5-Inch USB 4200RPM 8MB External Hard Drive Fujitsu RE25U300J 2.5-inch External Hard Drive General Features: Black color w/ White Fujitsu logo Slim, sleek, portable design 300 GB storage capacity Up to 480 Mbps data transfer rates 8 MB buffer size 4200 RPM rotational speed Built-in USB 2.0 cable Unit is bus powered from host computer - no need for an AC adapter PC and Mac compatible Excellent for synchronizing data between desktop and notebook computers