Cheap And Discounts Laptop Motherboard For Lenovo Yoga Slim 7 Carbon-14ACN06 NM-D901 UMA With CPU R5 5600U R7 5800U RAM 8G/16G 5B21D67310 Wholesale. Buy Directly From Merchant 77 Lenovo Laptop Motherboard Store Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.