As one of its daily deals, Best Buy offers the Microsoft Surface 3 Docking Station, model no. GJ3-00001, for $79.99 with free shipping. That's $20 under our March mention and the lowest total price we could find by $6, although most retailers charge $100 or more. It features a Gigabit Ethernet port, mini DisplayPort, two USB 3.0 ports, and two USB 2.0 ports. Deal ends today.