4pcs 8GB PC3-12800 204 pin SODIMM DDR3 1600MHz. THIS MODULE IS MANUFACTURED BY Computer Memory Solutions. We don't sell generic modules to avoid incompatibility. Apple iMac Retina 5K 27-inch (Late 2014) Core i5/i7. Height="50" border="0" width="248">. The item "32GB 4X8GB RAM Memory 4 Apple iMac Retina 5K 27-inch (Late 2014) Core i5/i7 A6" is in sale since Wednesday, October 7, 2015. This item is in the category "Computers/Tablets & Networking\Computer Components & Parts\Memory (RAM)". The seller is "cms_computermemorysolutions" and is located in West Covina, California. This item can be shipped worldwide.