* USB interface: device port x 1ea, 480Mbps USB 2.0 high speed ( USB 1.1 compatible) * Advantage: USB 2.0 to SATA = USB 2.0 port rated at 60Mbps * Capacity: 250GB SATA hard disk * Shell material: aluminum * Working humidity: 10 to 50% * LED indicator shows power and disk activity * System requirement: Microsoft Windows 98/ SE/ Me/ 2000/ XP/ Vista * Dimensions: 114 x 76 x 14mm ( without hard disk) * Package content: USB portable HDD enclosure * USB cable * CD driver ( for Microsoft Windows 98) * User manual * Screw bag and screwdriver