Weme via Amazon offers Prime members its Weme Premium 4-Port USB 3.0 Data Hub in Black, model no. WM-3089, for $9.99. Coupon code "SEKJSUYZ" drops it to $3.90. Plus, Prime members receive free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.56.) That's pennies under our August mention, $6 off list, and the lowest total price we could find. It features four ports and is compatible with Windows, Mac, Android, or iOS devices.