Sunvalleytek via Amazon offers Prime members the HooToo 4-Port USB 3.0 Hub, model no. HT-UH005, for $22.99. Coupon code "7XCCCLBW" cuts it to $15.99. With free shipping, that's the lowest total price we could find by $3, although we saw it for $1 less in May. (Non-Prime members can spend $35 or more to qualify for free shipping; otherwise, shipping adds $8.33.) It's backwards compatible with USB 2.0, features a 2.3-foot USB 3.0 cord and LED indicators for each port, and includes velcro backing.