Lenovo ThinkBook 13x with 16:10 1600p touchscreen, 512 GB PCIe4 NVMe SSD, Thunderbolt 4, and 16 GB RAM now on sale for $1040 USD - NotebookCheck.net News
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