FRU: 5B20S42481 for Lenovo Legion Y540-17IRH laptop motherboard FY710/FY714 NM-C531 motherboard and CPU I7-9750H GPU RTX2060 6G - AliExpress
Lenovo Y540 Disassembly and Upgrade (SSD. HDD, RAM) - YouTube
Lenovo Legion Y540 - disassembly and upgrade options - YouTube
Lenovo Legion Y540 - disassembly and upgrade options - YouTube
Lenovo Legion Y540-15IRH Laptop Review: A good gaming laptop with a GeForce GTX 1660 Ti GPU - NotebookCheck.net Reviews
Amazon.com: Lenovo Legion Y540 2021 Gaming Laptop I 15.6" FHD IPS 144Hz I 9th Gen Intel 6-Core i7-9750H I 16GB DDR4 512GB SSD 1TB HDD I GeForce GTX 1660 Ti 6GB I