iMac Retina 5K 27-inch, Late 2014 - worth upgrading RAM from 16GB to 32GB? | MacRumors Forums
Timetec 32GB KIT(4x8GB) Apple DDR3L 1600MHz PC3L-12800 CL11 per iMac (metà 2011, fine 2012, fine 2013, fine 2014 Retina 5K, metà 2015 Retina 5K) Modulo di memoria SODIMM MAC RAM Upgrade : Amazon.it: Informatica
Installare la memoria in un iMac - Supporto Apple (IT)
Come aggiungere o sostituire RAM iMac - FASTWEBPLUS
Memory in New $1099 iMac is Soldered and Not Upgradable - MacRumors