Cheap And Discounts LT Laptop X507MA Mainboard For ASUS X507M A507M F507M R507M Laptop Motherboard CPU N4000 N5000 DDR3L Wholesale. Buy Directly From Merchant Yue you sai Commerce Co., Ltd Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.