Installing your own memory on an iMac is a great way to save money on the initial purchase or improve performance on the computer you’ve been using for a while.
Apple’s support page lists the maximum memory supported for each iMac.
Crucial’s website lists all supported memory and SSD upgrades for your Apple iMac
- Crucial 16GB Kit (2 x 8GB) for 2013 iMac 27-inch
- Crucial 16GB Kit (2 x 8GB) for Apple iMac (Retina 5K, 27-inch, Late 2014) iMac15,1
- Crucial 16GB Kit (2 x 8GB) for Apple iMac (Retina 5K, 27-inch, Mid 2015) iMac15,1
- Crucial 16GB Kit (2 x 8GB) Kit for Apple iMac (Retina 5K, 27-inch, Mid 2015) iMac15,1
- Crucial 32GB Kit (16GBx2) for Apple iMac (Retina 5K, 27-inch, 2017) iMac18,3
- OWC 64GB Kit (4 x 16GB) for 2019 27 inch iMac (iMac19,1)