Memory Upgrades for iMac w/ Retina 5K Display Late 2015
Amazon.com: Late 2015 Apple iMac with 3.2GHz Intel Core i5 (27 inch Retina 5K, 8GB RAM, 512GB SSD) Silver (Renewed) : Electronics
Used Apple A Grade Desktop Computer iMac 27-inch (Retina 5K) 3.2GHZ Quad Core i5 (Late 2015) MK462LL/A 8 GB 1 TB HDD 5120 x 2880 Display Sierra 10.12 Includes Keyboard and Mouse - Walmart.com