Hard disk enclosure (2.5-inch) with one touch backup function Transmission interface: USB 2.0 Transfer rate: up to 480Mbps Supporting storage for hard disk: 100GB or higher Power: 5W (+5V DC, 500mA) Work temperature: five to 60 degrees Centigrade Humidity: eight to 90% Strike proof capacity: 125g (work), 400g (idle) Quake proof capacity: average 0.70g in five to 500Hz OS: Windows 98, SE, ME, 2000, XP, 2003, Linux 2.4X and Mac OS 10.0 or higher