How to upgrade RAM in the (Mid 2017) 5K iMac and save up to ~$900 [Video] - 9to5Mac
Memory RAM 1x 64GB Apple - iMac Pro 27'' Retina 5K Late 2017 DDR4 2666MHZ ECC REGISTERED DIMM | | RAM MEMORY \ MEMORY FOR APPLE \ APPLE IMAC PRO \ iMac
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: Office Products
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
OWC 32GB (2x16GB) 2400MHZ DDR4 SO-DIMM PC4-19200 Memory Upgrade for 2017 iMac 27 inch with Retina 5K Display at Amazon.com
How to upgrade the 27-inch 5K iMac (2019) with a massive 128GB of RAM [Video] - 9to5Mac