Hello Solomon155,

I re-post your question to https://www.dell.com/community/Inspiron/Upgrading-memory/m-p/7573160#M84533

Please wait for reply from Isnpiron experts.

Best,

Naomi

#IWork4Dell

Yes you can. Manual with specs here- https://topics-cdn.dell.com/pdf/inspiron-14-3480-laptop_users-guide_en-us.pdf

Best place for buying ram is crucial.com if you cannot get it from Dell.

You should post questions in the forum for your model laptop.