Mos032 years ago000Can I use this DDR4 RAM for expansion in a system that already has DDR3 RAM installed, or should I not mix them?Show in original language (German)Raumschiffsrakete2 years ago • purchased this product000purchased this product Helpful answerit is not possible to install ddr4 in a ddr3 system.Show in original language (German)Comment1 comment