Startech ST43004UA 4-Port Portable USB 3.0 Hub with Built-in Cable Type: USB Standards: USB 3.0 Ports: 4 - USB 3.0 A (9 pin; SuperSpeed) Female 1 - USB 3.0 A (9 pin; SuperSpeed) Male Transfer Rate: Up to 5 Gbps LEDs: 1 - Power Operating System Supported: OS Independent; No additional drivers or software required Dimensions: 0.70 x 1.40 x 4.40 Weight: 0.17 lb.