Home Desktops Apple iMac 21.5″ 4K Retina Intel Core i5 Quad-Core 3GHz Desktop (Refurb)... Desktops Apple iMac 21.5″ 4K Retina Intel Core i5 Quad-Core 3GHz Desktop (Refurb) $879 By ARCOM - 20 December 2017 187 0 SHARE Facebook Twitter Go to the deal page: Apple iMac 21.5″ 4K Retina Intel Core i5 Quad-Core 3GHz Desktop (Refurb) $879