Lenovo ThinkSystem HR630X User Manual page 31

4. Remove the server cover. (See "Removing and reinstalling the server cover")
5. Insert the M.2 storage module through the guide pins between the PSU cage and left Riser2
6. Plugs the SATA cable and power cable to SATA port 0/1 and power connector (reference 3. 1 Section).
To reinstall, reverse the steps above.
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