This site contains affiliate links for which we may be compensated.
iFixit PC4-19200 RAM Chip$49.99
Replace your old, damaged, or otherwise underwhelming RAM configuration in your computer with this part. This part is compatible with iMac Intel 21.5" A1418 EMC 3069 Mid 2017, iMac Intel 27" A1419 EMC 3070 Mid 2017.