Apple

21.5 iMac Retina 4K Display, 3.6GHz Quad-Core Intel Core i7, 8GB RAM, 512GB SSD, Radeon Pro 555 2GB (Mid 2017)

EBAY

21.5 iMac Retina 4K Display, 3.6GHz Quad-Core Intel Core i7, 8GB RAM, 512GB SSD, Radeon Pro 555 2GB (Mid 2017)