Attributes . Apple Products: iMac w/Retina 5K display(27-inch Mid 2017) - iMac18, 3 3.4GHz i5, iMac w/Retina 5K display(27-inch Mid 2017) - iMac18, 3 3.5GHz i5, iMac w/Retina 5K display(27-inch Mid 2017) - iMac18, 3 3.8GHz i5, iMac w/Retina 5K display(27-inch Mid 2017) - iMac18, 3 4.2GHz i7 . Names