tama po sya at saka yung concern nyo po sa upgradability ng laptop na maluluma sya within 5 yrs yun lng po cons sa laptop upgradability. Pro kung mag desktop build ka po d yan concern.
best option gamit ka po gpu-z or search nyo po model ng gpu and look for the specs online kung bibilhin nyo plang since need physically na sayo na yung gpu bago mo ma check gamit gpu-z
since for office lng nman po ang usage okay no po ang i3 atleast 9th gen procie with integrated graphics; 8gb ram; saka ssd for storage pra sa mabilisan na boot at opening ng applications. Wag ka lng kumuha ng intel celeron mabagal na po yan sa today's standard, medyo overkill na po yung i5 or R5.