Weme via Amazon offers the Alxum 3-Port USB 3.0 Hub with Gigabit Ethernet Adapter, model no. LYSB01IDETFA0, for $18.99. Coupon code "YKJKCLV2" cuts it to $7.60. Plus, Prime members grab free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $8.16.) That's $11 off and the lowest total price we could find. It features built-in surge protection.