Preserve the convenience of one cable connectivity to your entire desktop setup with the sd3650 universal usb 30 docking station from kensington a trusted leader in productivity solutions for more than 30 years what makes the sd3650 unique from the sd3600 is that you can output dual hd video using displayport and hdmi ports plus we increased the usb 30 accessory expansion ports to four ideal for a flash drive so it can transfer data at 5gbps the dock also features zero footprint mounting