Cheap And Discounts FRU 00HT640 For Lenovo ThinkPad E550 E550C Laptop Motherboard AITE1 NM-A221 Mainboard With SR215 3205U DDR3 100% Tested Working Wholesale. Buy Directly From Merchant Motherboard Center Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.