Home / Computers / Can I upgrade the RAM on the F4-421?Computers Technology ramseeker nasCan I upgrade the RAM on the F4-421?No, the F4-421 has 4GB of non-ECC DDR3 soldered directly to the board with no SO-DIMM slot for expansion. What it ships with is the ceiling. Search Amazon As an Amazon Associate I earn from qualifying purchases.Related NotesExploreExploreExplorePrevious Can I upgrade the SSD in an M1 Mac Mini after purchase?Next Can I upgrade the RAM on the 16-inch MacBook Pro M1 Pro after purchase?