Aukey Direct via Amazon offers the Aukey 6-Port USB Charger, model no. PA-T11, for $34.99. Coupon code "82PO6XV3" drops it to $19.94. Plus, Prime members bag free shipping. (Non-members can spend $49 to bag free shipping; otherwise, shipping costs $6.48.) That's $2 under our November mention and the lowest total price we could find by $15. It features two USB 3.0 ports.