OWC 64GB Kit (4 x 16GB) for 2019 27 inch iMac (iMac19,1) Posted on May 3, 2019 (August 23, 2020) by bitsoft The 2019 iMac supports either 64GB or 128GB of memory depending on the version. Buy OWC 64GB Kit (4 x 16GB) for 2019 27 inch iMac (iMac19,1) on Amazon
