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-IdeaPad-330-15IKBR-PCIe-SSD-slot - English Community - LENOVO COMMUNITY
Hard Drive Adapter for ODD slot original suitable for Lenovo IdeaPad 330- 15IKB (81DE) - sparepartworld.com
Solved: help me to choose SSD - HP Support Community - 7783155