For Asus X540ubr X540ub X540u X540ua X540uv Laptop Motherboard X540ua Original Mainboard W 4gb Ram I3 I5 I7 4405u Cpu - Laptop Motherboard - AliExpress
For ASUS X540UV X540UB X540UBR laptop motherboard mainboard with i3-7100 CPU 4GB RAM - Newegg.ca
Motherboard for ASUS X543U R540U P540U F540U A540U K540U X540UV X540UB X540UBR | eBay
Asus X540UB-DM657T Laptop, Core i7 Processor, 12GB DDR4 RAM, 1TB HDD Storage, 15.6 inch FHD display, Grey | X540UB-DM657T Buy, Best Price in Russia, Moscow, Saint Petersburg