Cheap And Discounts USB 3.0 Motherboard Adapter USB 3.0 19 20 Pin Female to Dual USB 3.0 Female Converter Strong Anti-Interferenc Adapter Splitter Wholesale. Buy Directly From Merchant STMAX Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.