I'm trying to install a 2nd ssd on my lenovo legion 5 : r/LenovoLegion
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
How to upgrade M.2 Pcie Nvme HDD SSD RAM Lenovo LEGION Y540 disassembly - YouTube
Lenovo Legion Y530 / Y540 SSD upgrade and second drive installation - YouTube