Standard memory: 8GB removable. -- Original Review -- Tried installing them in every slot, iMac 27" would not turn on when installed. There are four ram slots on the rear of the logic board which can take up to 32GB of PC (MHz) DDR3 SO-DIMM modules. Memoria RAM iMac 27" Retina 5K de mediados ; Memoria Mac OWC RAM 8GB SO-DIMM DDR4 MHz · Memoria Mac OWC RAM 8GB SO-DIMM DDR4 MHz. This logic board has an. Maximum memory: 64GB. A-Tech 32GB (2x16GB) RAM for Apple iMac (27 inch Retina 5K & inch Retina 4K) | DDR4 MHz SODIMM PC 2Rx8 V Pin SO-DIMM Memory Upgrade. Consejos sobre actualizaciones. Los módulos DIMM de la iMac (Retina 5K, 27 pulgadas, ) tienen una muesca en la parte inferior, ligeramente a la izquierda del centro: Los. Returned and trying again with a replacement on. RAM compatible. Slots: 4 (2 banks of 2). % ; Memoria Mac. Los plug-ins DIMM del iMac (Retina 5K, 27 pulgadas, ) tienen una muesca en la parte inferior, ligeramente a la izquierda del centro: Los. ¡Buenas noticias! Su ordenador. Apple iMac 27'' Retina 5K Display GHz Quad-Core Intel Core i7 (10/). . Maximum of 64GB is possible, 4 slots are available Specification.