Lenovo Legion 5 Pro Disassembly (RAM, M.2 SSD upgrade options)
Lenovo Legion 5 Pro 16ACH6H Left SSD Replacement - iFixit Repair Guide
Lenovo Legion 5 Upgrade SSD: Get Stepwise Guide Here
How to upgrade or add an SSD to Lenovo's Legion 5i 15 | Windows Central
Upgrade RAM and add SSD : r/LenovoLegion
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
How-to-add-additional-SSD-to-Legion -T730-Desktop-Drive-bay-bracket-doesn-t-work-with-SSD - English Community - LENOVO COMMUNITY
How-to-add-additional-SSD-to-Legion -T730-Desktop-Drive-bay-bracket-doesn-t-work-with-SSD - English Community - LENOVO COMMUNITY
Can't Install M.2 SSD in Legion 5 17" : r/Lenovo
The Best Guide On How To Upgrade Your Legion Go SSD