Sunvalleytek via Amazon offers the HooToo SuperSpeed 4-Port USB 3.0 Hub, model no. HT-UH007, for $19.99. Coupon code "OD3OWDPE" cuts it to $9.99. Plus, Prime members receive free shipping. (Non-members must spend $25 or more to bag free shipping; otherwise, it adds $8.18.) That's the best non-rebate price we've seen for any 4-port USB 3.0 hub. (It's also a current low for any similar model by $3.) It's backwards compatible with USB 2.0 and features a 1-foot USB 3.0 cord and LED indicator.