Specifications：1. : Green2. Material: ABS plastic3. Output Interface: USB 3.04. Suitable hard disk size: 2.5 inch5. Size: about 120 x 76 x 13 mm6. Cable length: about 54cm7. up to 2TB SATA interface hard disk drive.8. Compatible system: Windows ME/2000/XP/Vista/7/8, Linux and OS Note: USB 3.0 HDD can also compatible with USB 2.0. Its USB 3.0 port is 10 pin port. connecting the connecting line with USB 3.0 port in the computer can experience the high speed of USB 3.0.(USB 3.0 HDD port is divided into three types according to its port standard: 10 pin port, A port, Micro port.)Note: The hard disk drive in the picture is not included. a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a