C2G 29508 4-Port USB 2.0 Aluminum Hub Type: USB Standards: USB 2.0/1.1 Max Devices Supported: 127 devices Ports: 4 x 4-pin Type A Female USB 2.0 - USB Downstream, 1 x Mini USB - Type B Female USB 2.0 - USB Upstream Transfer Rate: 480 Mbps USB 2.0 High Speed Weight: 13 oz Color: Black Package Contents: 29508 4-port USB Hub 1 x 3ft USB 2.0 A Male to USB Mini-B Male Cable 1 x Hard-mountable metal base 2 x Self-tapping screws 1 x User manual 1 x AC power supply adapter