1.USB3.0 ultra-fast transfer rate, transfer rate up to 5Gbps per second
2. backward compatible with USB2.0, USB1.1
3. Support hubs and various peripheral devices Plug and Play and Hot Plug functions
4.4 each port overcurrent detection and protection design
5. Plug and play, no need to install any drivers
6. Compatible with Windows 7 / Vista / XP and other operating systems
7. transfer rate: 5Gbps
8. Power supply: USB powered and DC5V / 2A power supply
9. Connect Interface: USB 3.0 x 3 SD card slot x 1
Aluminum brushed metal, matte process coexist.