1. Material: industrial plastic anti-high-temperature and iron shell
2. Data transfer rate up to 5Gbps
3. Copper conductor for maximum conductivity and reliablity
5. Plug and play driver less installation
6. Backward compatible with USB 2.0 and 1.1
7. Fits inside 3.5 inches open bay
8. No external power needed

Specifications:
1.6 Ports: USB 3.0(2ports) / USB 2.0(4ports)
2. 20 Pin USB 3.0 connector for USB 3.0 Hub
3. Support System: Windows XP/Vista/7/8 32&64 Bit and Mac OS
4. Front panel color: Black
5. USB Cable: 50-60cm