Walmart offers the Kensington Sd3500v USB 3.0 Universal Docking Station for $99.26 with free shipping. That's the lowest price we could find by $29. It features two front USB 3.0 ports and four rear USB 2.0 ports, Gigabit Ethernet, and dual 1080p HD video for two external monitors via HDMI, VGA, or DVI. It's compatible with Windows laptops and the Microsoft Surface Pro 4.