Crucial says SATA III drives only.
https://www.crucial.com/usa/en/compatible-upgrade-for/Acer/aspire-m3970g
So any good quality 2.5" SATA III SSD.
Samsung 860 EVO or Crucial MX500.
They are both reliable. Buy whichever is cheaper )New question...which brand is more reliable?
Between those two drives, flip a coin, or whichever is less expensive.New question...which brand is more reliable?