Lenovo Legion 5 Pro 16ARH7H 16" ( 1TB SSD, AMD Ryzen 7, 4.70 GHz, 16GB) Gaming Laptop - Storm Gray - 82RG001MUS for sale online | eBay
Lenovo Legion 5 Pro Disassembly (RAM, M.2 SSD upgrade options)
Lenovo Legion 5 Upgrade SSD: Get Stepwise Guide Here
Lenovo Legion Pro 5i 16 - 13700HX · 4060 · 16.0", WQXGA (2560 x 1600), 165 Hz, IPS · 512GB SSD · 16GB DDR5 · Windows 11 Home | LaptopMedia.com
Yes, Legion 5 Pro has two NVMe PCIe 3.0 2280 SSD slots, the second slot is empty and has a pre-installed heatsink with a thermal pad. (I installed Samsung 970 Evo 1TB