Grabbing 4 x 8GB modules does give a small saving over upgrading later (shipping aside) and would push that up a little more but is going to set you back a bunch more for questionable gainsвЂ¦

I think that just grabbing two new 8GB modules (16GB) and adding that into your current mix will give you more than enough ending up with 24/26GB of RAM depending on your base config.Дў x 1GB + 4 x 2GB = 10GB => 2 x 1GB + 4 x 2GB + 2 x 8GB = 26GBДў x 1GB + 2 x 4GB = 10GB => 2 x 1GB + 2 x 4GB + 2 x 8GB = 26GBД¦ x 1GB + 2 x 2GB = 10GB => 4 x 1GB + 2 x 2GB+ 2 x 8GB = 24GB What have you actually got in the slots at the moment? How long will you keep the machine? Will it keep running the latest version of OSX? Do you do anything that needs more RAM?

In your case, there are a couple of factors. These days IвЂ™m running a 2013 MBP with 16GB RAM and itвЂ™s more than enough for me and I canвЂ™t see that changing anytime soon. Turns out it worked just fine, even for the VMвЂ™s I was running, although that was probably down to the SSD more than the RAM. IвЂ™ve long been a fan of just maxing out whatever you have, but 64GB is pretty excessive for normal humansвЂ¦ that said itвЂ™s getting older and probably harder to get so grabbing it while you can is probably a good ideaвЂ¦ but even so 64GB is still probably not worth the investment unless you really do things that would use it.ДЇrom memory my old 2009 17' MBP was upgraded to 8GB RAM and I was concerned about dropping down to 4GB when I upgraded that to a 2011 MBA.

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