Product Features: IC: CS8818 (taiwan) Rate: USB2.0: 480Mbps Capacity: 5--80G Specification: Suitable for hard disk type: 2.5" HDD Power supply: USB Material: Al & Mg alloy Size: 128.3*75.6*15.6 mm SystemRequirements:Windows98SE,Me,2000,2003,XP,MacOS 9.x/X, Linux 2.4.x or above like IBM