D-Link DUB-H4 4-Port USB 2.0 Hub, you can instantly add more USB 2.0 ports to your computer. Now you can connect up to four USB peripherals – such as digital cameras, printers, external hard drives, mice, keyboards, flash drives, and tablets to your laptop or desktop. The DUB-H4 is fully compliant to USB 2.0 specifications with data transfer rates of up to 480 Mbps1. It is an ideal solution for transferring data between your computer and USB devices.