Massdrop offers the Juiced Systems USB 3.0 6+1+1 Hub with Ethernet, model no. 6HUB-01, for $34.99 plus $7.75 for shipping. That's the lowest total price we could find by $12. It includes a Gigabit Ethernet port, dedicated USB 2.4-amp charging port, and up to 2.1-amp charging ports. Deal ends August 31.
Note that this item is expected to ship on September 20.