Yes, almost everything is replaceable https://download.lenovo.com/pccbbs/thinkcentre_pdf/m910q_ug_hmm_en.pdf https://download.lenovo.com/pccbbs/thinkcentre_pdf/

Yes, almost everything is replaceable https://download.lenovo.com/pccbbs/thinkcentre_pdf/m910q_ug_hmm_en.pdf https://download.lenovo.com/pccbbs/thinkcentre_pdf/m910q_ug_... Can even add HDMI, serial ports etc.