Lenovo Legion 5 Pro 16ACH6H Left SSD Replacement - iFixit Repair Guide
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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
Can I add an extra SSD to my Lenovo Legion 5i laptop?
Lenovo-Legion-5P-2-5-SSD-install - English Community - LENOVO COMMUNITY