Question about Lenovo ThinkCentre M75q Gen 5

Yes, you can install an SSD from another computer into this device, as long as the SSD has the appropriate form factor and connector. The ThinkCentre M75q Gen 5 uses an M.2 2280 PCIe SSD, so the SSD must be compatible with this M.2 format and PCIe interface. Make sure that the SSD physically fits and is supported by the system.