1.Interface rate: 480Mbps 2.Chipset:JM-20329 3.Material: Aluminum 4.Interface: USB2.0 to SATA 5.Power supply: Outer 6.Packing: 10 PCS / CTNS 1. Light weight and portability 2. the designs simple generosity. 3. A spin of the hard drive boxes to facilitate the installation. 4. Beautifully packaged. 5.System requirements: Windows98/98SE/ME/2000/XP/2003/Vista 7 Mac OS9.0 or higher Linux 2.6