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. Returned and trying again with a replacement on. Consejos sobre actualizaciones. Slots: 4 (2 banks of 2). Los módulos DIMM de la iMac (Retina 5K, 27 pulgadas, ) tienen una muesca en la parte inferior, ligeramente a la izquierda del centro: Los. Los plug-ins DIMM del iMac (Retina 5K, 27 pulgadas, ) tienen una muesca en la parte inferior, ligeramente a la izquierda del centro: Los. RAM compatible. -- Original Review -- Tried installing them in every slot, iMac 27" would not turn on when installed. Maximum memory: 64GB. Maximum of 64GB is possible, 4 slots are available Specification. 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. . Standard memory: 8GB removable. Apple iMac 27'' Retina 5K Display GHz Quad-Core Intel Core i7 (10/). % ; Memoria Mac. This logic board has an. ¡Buenas noticias! Su ordenador. 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.