8GB (2 x 4GB kit) OEM RAM Memory for Apple iMac Retina 5K 27 inch (Late 2014) Core i5 / i7 PC3-12800 DDR3-1600MHz 204-Pin SoDimm at Amazon.com
Review: Apple's final Intel 27-inch iMac is going out with a bang | AppleInsider
Apple iMac 27 inch 2015-2017 ALL-IN-ONE / 5K RETINA 3.2GHZ i5 / 1TB / 16GB RAM | eBay
Amazon.com: OWC 32GB (2 x 16GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with Mac Mini (Late 2018), 27" and 21.5" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S32P) : Everything Else
Imac 2017 Ram Outlet, 52% OFF | www.slyderstavern.com
How to upgrade RAM in the (Mid 2017) 5K iMac and save up to ~$900 [Video] - 9to5Mac
Install memory in an iMac - Apple Support
HOW TO UPGRADE NEW 2017 IMAC RAM - YouTube
How to upgrade RAM in the (Mid 2017) 5K iMac and save up to ~$900 [Video] - 9to5Mac