Amazon offers the Aukey 5-amp 3-Port USB 3.0 Hub with 10/100/1000 Gigabit Ethernet Converter
, model no. CB-H15, for $19.99. Coupon code "5IU3JMX9" cuts it to $15.99
. Plus, Prime members bag free shipping
. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $8.19.) That's $35 off list and the lowest total price we could find. It features three USB 3.0 ports, a Gigabit Ethernet port, and a built-in surge protector.