Port : 4 SuperSpeed USB3.0 Ports Controller : Via-Labs VL812 Data Cable : 0.3M USB3.0 Cord Driver : Driver Not Required Switch : 4 ON/OFF Switches Supported System : Windows XP, Vista, 7, 8, 8.1, 10, Mac OS and Linux Dimension : 110 x 46 x 24mm Warranty : 2 Years