How to upgrade the SSD in your Lenovo Legion Y7000 | Windows Central
How to upgrade or add an SSD to Lenovo's Legion 5i 15 | Windows Central
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
Buy Lenovo Legion 5-17ACH - AMD Ryzen 5 - 17 inch
How to upgrade the SSD in Lenovo's Legion 7 and 7i (Gen 6) | Windows Central