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 16IRX8 - 16" - Intel Core i7 13700HX - 16 GB RAM - 1 TB SSD - US English - 82WK000HUS - Laptops - CDW.com