Increasing iMac RAM – How to Upgrade Memory

imacmemory

I am looking to increase the RAM of my iMac (Retina 5K, 27-inch, Mid 2015). I found one on the Apple website, but it is $400. If I could find a better price, it would be amazing. I was looking around on Amazon, but don't know if the SDRAMs I found work with my iMac. Do you guys have any advise for how to tell whether or not the SDRAM is compatible with my iMac?

Best Answer

The official RAM specifications are given by Apple here: https://support.apple.com/en-us/HT201191

Using the list, you need to

Use Small Outline Dual Inline Memory Modules (SO-DIMM) that meet all of these criteria:

  • PC3-12800
  • Unbuffered
  • Nonparity
  • 204-pin
  • 1600MHz DDR3 SDRAM

Note that only 32 GB of RAM is officially supported.

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