1.Chip: CS8818 2.Compliant with USB2.0 standard ; 480 Mbps transfer rate; 3.Compatible with any 3.5 inch IDE hard drive; 4.Aluminum case Oxidation the treatment of the case surface; 5.Build-in cooling-fan ; 6.Works with any USB computer, supports plug-play and hot-plug; 7.External power adapter, USB cable included; 8.Windows 98/2000/ME/XP and Mac compatible 9.Already got the design patent in China by LCT. 10.Optional color: Silver, Black, Blue, Red; 11.Size: 220*130*30 (L*W*H, mm).