![A-Tech 16GB (2x8GB) RAM for Apple iMac 2017 (27 inch Retina 5K & 21.5 inch Retina 4K) | DDR4 2400MHz SODIMM PC4-19200 1.2V 260-Pin SO-DIMM Memory Upgrade Kit at Amazon.com A-Tech 16GB (2x8GB) RAM for Apple iMac 2017 (27 inch Retina 5K & 21.5 inch Retina 4K) | DDR4 2400MHz SODIMM PC4-19200 1.2V 260-Pin SO-DIMM Memory Upgrade Kit at Amazon.com](https://m.media-amazon.com/images/I/81fFnvBpIaS.jpg)
A-Tech 16GB (2x8GB) RAM for Apple iMac 2017 (27 inch Retina 5K & 21.5 inch Retina 4K) | DDR4 2400MHz SODIMM PC4-19200 1.2V 260-Pin SO-DIMM Memory Upgrade Kit at Amazon.com
![A-Tech 32GB Kit (4x8GB) RAM for Apple iMac (Late 2012, Late 2013, Late 2014, Mid 2015) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com A-Tech 32GB Kit (4x8GB) RAM for Apple iMac (Late 2012, Late 2013, Late 2014, Mid 2015) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com](https://m.media-amazon.com/images/I/81nGVWBljCL.jpg)
A-Tech 32GB Kit (4x8GB) RAM for Apple iMac (Late 2012, Late 2013, Late 2014, Mid 2015) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
![8GB PC3-12800 RAM for Apple iMac Late 2014 - 27 Inch Retina 5K MF886LL/A - MF886xx/A Memory Upgrade Module 8GB PC3-12800 RAM for Apple iMac Late 2014 - 27 Inch Retina 5K MF886LL/A - MF886xx/A Memory Upgrade Module](https://atechmemory.com/cdn/shop/products/APPLE-ATECH-SODIMM-DDR3-NON-ECC-8GB-PC3-12800-2Rx8-NV-Retail-1_2dfd562c-3a11-4f8f-9fc2-e3a2c17c66bf_1200x1200.jpg?v=1614286518)
8GB PC3-12800 RAM for Apple iMac Late 2014 - 27 Inch Retina 5K MF886LL/A - MF886xx/A Memory Upgrade Module
![CMS 32GB (4X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core I5 3.2 27-Inch (Late 2013) Me088Ll/A - A6 at Amazon.com CMS 32GB (4X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core I5 3.2 27-Inch (Late 2013) Me088Ll/A - A6 at Amazon.com](https://m.media-amazon.com/images/I/71zgz0dAVbL.jpg)
CMS 32GB (4X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core I5 3.2 27-Inch (Late 2013) Me088Ll/A - A6 at Amazon.com
![Third-Party RAM for 27-inch iMac Still Far More Affordable Than Apple's Checkout Upgrade Options - MacRumors Third-Party RAM for 27-inch iMac Still Far More Affordable Than Apple's Checkout Upgrade Options - MacRumors](https://images.macrumors.com/t/OrKad7DAlme733bl9JqbjX6IljM=/1600x/article-new/2020/08/new-27-inch-imac-2020.jpg)