

Traditional thinking has always said, add as much RAM as you can afford. But the more I researched the new M1 chip and how it's performed in the new MacBook Pro and Mac Mini, the less concerned I was. All modules listed are qualified to work in your Apple iMac Retina 4K 21.5-inch Mid 2017.As someone who falls into that category, I expected to be more upset at the change. Our goal is to give you confidence when purchasing Apple iMac Retina 4K 21.5-inch Mid 2017 upgrades. Some purchase by original module part number. Why are there so many Apple iMac Retina 4K 21.5-inch Mid 2017 upgrade options?

It is not required, but it is recommended to load the channels similarly if possible.To maximize performance, balance the total memory capacity between all installed processors.If only one processor is installed in a two CPU system, only half of the DIMM slots are available.

