Question about ssd storage

Different Types of M2 SSD SATA or NVME m 2 slot ssd 2 PCIe slot, an SATA SSD with identical keying will fit in the slot but will not work, and vice versa There are some systems that are dual-mode, m2 expansion slot DDR5 · DDR4 Memory Slots 8 · 6 · 4 · 2 Graphics Interface PCIe · PCIe · PCIe PCIe x 16 Slots 7 · 6 · 5 · 4 · 3 · 2 · 1 SSD Slots 5 x

m2_1 slot The service manual does not specify how large a capacity NVMe SSD you can install in the empty slot, but there should be no limit as long as you