B&B UHR304 4-port USB Hub Type: USB Ports: 1 x 4-pin Type B Female USB 1.1 - USB Upstream 4 x 4-pin Type A Female USB 1.1 - USB Downstream Transfer Rate: 12 Mbps USB 1.1 Low Speed Package Contents: UHR304 4-port USB Hub 2 x Panel Mount Brackets 1 x DIN Rail Clip Parts: 5 Year Limited