Orico Technology Co.,Ltd via Amazon discounts a selection of 4-port AC-powered USB 3.0 hubs via coupon codes as listed below. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping starts at $8.58.) The deals:

• Orico 4-Port USB 3.0 Hub for $11.99 via coupon "JKPAEPOP" ($48 off)
• Orico 4-Port USB 3.0 Mini Hub for $12.99 via coupon "DV9K7I7X" (pictured, low by $23)
• Orico 4-Port USB 3.0 Hub w/ Charging Port for $14.99 via coupon "JKPAEPOP" ($45 off)
• Orico 4-Port USB 3.0 BC1.2 Hub for $15.99 via coupon "NC65HWNQ" ($44 off)