Product Features : Name: 2.5" USB CASE IC: GM5621/M5642 (Taiwan) Rate: USB2.0 : 480Mbps Capacity: 5--80G Specification: Suitable for hard disk type: HITACH 2.5" HDD Power supply: USB Material: Al & Mg alloy Size: SystemRequirements:Windows98SE,Me,2000,2003,XP,Mac OS 9.x/X, Linux 2.4x or above Sandblast DrawbenchThrice Oxidation treatment