Features: 1) Chipset: 2506 2) High speed external storage solution 3) Compact aluminum case body 4) Space saving design 5) USB 2. 0 compliance up to 480Mbps 6) E-IDE / ATA 2. 54" hard disk drives 7) Accessories: case, USB cable, power, CD driver, user manual, screw bag 8) Colors: silver, black, blue Inner packing: Gift box Outer packing: 40pcs/ctn Carton dimensions: 51 x 36. 4 x 43. 4cm N. W.: 22. 00kg G. W.: 23. 00kg