1. USB 2.0 Compatible with USB 1.1 standards, Windows 98/2000/ME/XP,Mac. 2. High speed data transfer up to 480 Mbps 3. Suitable for all types of 2.5 IDE hard disk 4. Aluminum Magnesium alloy Material 5. Standard USB A receptacle 6. Chipset: Au6390 or PL2506