Preserve the convenience of one-cable connectivity to your entire desktop setup with the SD3650 Universal USB (Universal Serial Bus) 3.0 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 Display Port & HDMI ports, plus we increased the USB (Universal Serial Bus) 3.0 accessory expansion ports to four, ideal for a flash drive so it can transfer data at 5 Gbps. The dock also features Zero Footprint Mounting, so it can be mounted to the back of a VESA-compatible monitor using a Docking Station Mount (sold separately), perfect for desks with limited space.