Apple iMac review (21.5-inch, 2015): 4K is optional, faster hard drives shouldn't be | Engadget
Best Buy: Apple® iMac® / Intel® Core™ i3 Processor / 27" Display / 4GB Memory / 1TB Hard Drive MC510LL/A
Refurbished 27-inch iMac Pro 3.2GHz 8-core Intel Xeon W with Retina 5K display - Apple
Apple iMac 27" (1TB SSD, Intel Core i5 6th Gen., 3.20 GHz, 8GB) Desktop - Silver - FK472LL/A (2015) for sale online | eBay
Apple 27" iMac All-in-One Computer 8 GB Memory 1 TB Hard Drive ME089LL/A - Best Buy
Restored Apple iMac 21.5" Thin Desktop Computer Intel Core i5 2.7GHz 8GB RAM 1TB HD Mac OS Sierra MD093LL/A with USB Keyboard and Bluetooth Mouse- (Refurbished) - Walmart.com
Buy Used & Refurbished Apple iMac 27" 2013 Core i5-4570 Quad-Core ME088LLA-PB-RCA - iMac