Apple 21.5-inch iMac Retina 4K, 3.6GHz Quad Core i7 "Mid 2017" with Thunderbolt 3, 16GB DDR4, 2.0TB 5,400RPM HDD, 32GB SSD, PRO 560/4GB, 802.11a/b/g/n/ac. Used, Very Good Condition.