Apple 21.5" Certified Refurbished iMac Desktop Intel Core i5 2.3GHz 8GB Memory 1TB HDD (2017) Silver MMQA2LL/A - Best Buy
Apple iMac (27-inch, 2017) review: Apple doesn't mess with success - CNET
How to upgrade RAM in the (Mid 2017) 5K iMac and save up to ~$900 [Video] - 9to5Mac
Apple iMac with Retina 5K Display (2017) review | Digital Trends
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
Apple iMac 27-Inch With 5K Retina Display (2017) Review | PCMag
Apple iMac 27" Retina 5K - Late 2017 Reviews, Pros and Cons | TechSpot