Apple iMac 2017 (mid) 21.5-inch SSD ,Ram & OSX Upgrades - ZD Laptop Service Centre
How to upgrade RAM in the (Mid 2017) 5K iMac and save up to ~$900 [Video] - 9to5Mac
Memory Upgrades for 2017 iMac 27-Inch
The New 2017 iMac: Notes & Tidbits on RAM - The Mac Observer
Upgrade your iMac's RAM in less than 5 minutes - YouTube
Imac 2017 Ram Outlet, 52% OFF | www.slyderstavern.com
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