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 - 6 January 2018 200 0 SHARE Facebook Twitter Go to the deal page: Apple iMac 21.5″ 4K Retina Intel Core i5 Quad-Core 3GHz Desktop (Refurb) $879