Upgrade Memory to iMac (Retina 5K, 27-inch, 2017)
I have 2 x 4GB memory in my iMac at present. I want to increase it. Do I have to add the same size memory cards or can I add 2 more 8Gb cards in the empty slots?
Any help or advise would be welcome.
Thanks
Lewis
iMac Line (2012 and Later)