Lenovo ThinkPad T440 m.2 SSD and 2.5" SSD Install (how to + test run) - YouTube
Amazon.com: Timetec 512GB M.2 2242 SSD NVMe PCIe Gen3x4 3D NAND TLC Read/Write Speed Up to 2,000/1,500 MB/s Compatible with Lenovo Thinkpad E15 / ThinkPad 11e Yoga Gen 6, Laptop and Desktop :
How to install M2 SSD in Lenovo Y700-15ISK - YouTube