Apple iMac Pro 27-inch (2017) 3.0GHz 10-Core Intel Xeon W-2150B 64GB RAM 2TB SSD AMD Radeon Pro Vega 64
Memory Upgrades for 2017 iMac 27-Inch
A-Tech 64GB (4x16GB) RAM for Apple iMac 2017 27 inch Retina 5K | DDR4 2400MHz SODIMM PC4-19200 2Rx8 1.2V 260-Pin SO-DIMM Memory Upgrade Kit at Amazon.com
Apple 27" iMac with Retina 5K Display (Mid 2017) Z0TR-MNED43-BH
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
Memory Upgrades for 2017 iMac 27-Inch
Apple iMac 27-Inch with 5K Display Review (2017): Serious Power | Tom's Guide
How to upgrade RAM in the (Mid 2017) 5K iMac and save up to ~$900 [Video] - 9to5Mac
Sell your iMac (Retina 5K, 27-inch, 2017) online for the most cash fast
How to upgrade the 27-inch 5K iMac (2019) with a massive 128GB of RAM [Video] - 9to5Mac
Restored Apple 27-Inch iMac Pro with Retina 5K Display (Late 2017) MQ2Y2LL/A, 3.2GHz Intel Xeon W, 32GB RAM macOS, 1TB SSD, - Space Gray (Refurbished) - Walmart.com
27-inch iMac with Retina 5K display (2017) review: The fastest, most stunning iMac ever made | Expert Reviews
Apple 27" iMac with Retina 5K Display (Mid 2017) Z0TR-MNED43-BH