Lenovo Legion 5 Pro Disassembly (RAM, M.2 SSD upgrade options)
Amazon.com: Lenovo Legion 5 15.6" FHD IPS 120Hz (6-Core Ryzen 5-5600H, 16GB RAM, 512GB PCIe SSD, GeForce RTX 3050 Ti 4GB) Backlit Gaming Laptop, 3D Nahimic Audio, WiFi 6, IST Cable, Windows
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
Can't Install M.2 SSD in Legion 5 17" : r/Lenovo
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