leandropasina8 years ago000I already have 2x2 GB RAM installed in my iMac (27-inch, Mid 2011), should I now remove these 2 and replace them with 4x4? Are these suitable for this?Show in original language (German)mese79ch8 years ago • purchased this product000purchased this productHoi, gemäss everymac sollte das gehen https://everymac.com/systems... LgComment