Best Buy: Lenovo Legion Tower 5i Gaming Desktop Intel Core i7-11700 16GB Memory NVIDIA GeForce GTX 1660 Super 256GB SSD + 1TB HDD Raven Black 90RS0003US
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
Lenovo Legion 5 Pro 16ACH6H Right SSD Replacement - iFixit Repair Guide
I'm trying to install a 2nd ssd on my lenovo legion 5 : r/LenovoLegion
Lenovo Legion 5 Pro 16ARH7H 16" (1TB SSD, AMD Ryzen 9 6000 Series, 4.90 GHz, 32GB) Gaming Laptop - Storm Gray - 82RG001NUS for sale online | eBay