Hi,
Use an old credit card or something similar to release the tabs, try working slowly to avoid breaking any tabs.
https://www.youtube.com/watch?v=vDbDEqGVt8Q
Or
like the guy does here, I don't like it but if you can manage without breaking any tabs, it's OK.
https://www.youtube.com/watch?v=lN1qKYwMEKk
EDIT: Yes, it has SATA M.2 SSD slot.
