OFFTEK 4GB Replacement Memory RAM Upgrade for Asus VivoBook X540YA (DDR3-12800) Laptop Memory at Amazon.com
How to Replace Motherboard Asus VivoBook 15 X540NA / Assembly and Disassembly - YouTube
Asus X540S Review - BlogTechTips
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Asus VivoBook X540N HDD to SSD Replacement - iFixit Repair Guide
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ASUS X540U Laptop Inside Beautiful View | How to Upgrade Ram in ASUS X540U | LT HUB - YouTube
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How to install SSD in Asus X540 | Hard Drive replacement - YouTube
SSD upgrade on ASUS X540Y - YouTube
Asus X540-RBPDN09 Notebook, packed with 4GBs of memory, 1TB hard drive and powered by the Intel Pentium Quad-core processor to give you smooth and responsive computing performance - Walmart.com
Amazon.com: A31N1519 Laptop Battery for Asus X540 X540S X540L X540LA X540LJ X540SA X540LA-SI302 X540SC X540YA R540SA Series 3ICR19/66-11.1V 2200mAh 24.4Wh : Electronics