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
Apple A Grade Desktop Computer 27-inch iMac A1419 2017 MNED2LL/A 4.2 GHz Core i7 (I7-7700K) 24GB RAM 1 TB SSD Storage Mac OS Include Keyboard and Mouse - Walmart.com
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
How To: Upgrade 2017 5k iMac RAM to 64GB & Saved $840 | 2018 - YouTube
Install memory in an iMac - Apple Support
Adamanta 16GB (2x8GB) Memory Upgrade Compatible for 2017 Apple iMac 27"/21.5" Retina 5K/4K or Non-Retina Display DDR4 2400MHz PC4-19200 SODIMM 1Rx8 CL17 1.2v Single Rank RAM DRAM at Amazon.com