Used Apple iMac 27-inch 4.0GHz Quad-core i7 (Late 2015)
Used Apple iMac 27-inch 4.0GHz Quad-core i7 (Late 2015),Amazon.com: Late 2015 Apple iMac with 3.2GHz Intel Core i5,Apple 27,Differences Between Late 2015 iMac Retina 4K/5K Models,Imac 27-inch Retina 5K Late 2015 4GHz i7 MK482XX/A