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A2115 / 2020 / Processors from 3.1 GHz 6-core i5, up to 3.8 GHz 8-core i7. Released August 4, 2020.

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What is best Ram (16x4) for iMac 2020?

Friends, kindly help me to select new ram for my new imac

Crucial 32GB Kit (16GBx2) DDR4 2666 MT/s (PC4-21300) DR x8 SODIMM 260-Pin Memory - CT2K16G4SFD8266 — its will be fine to get 2 kit = (16x4) to get 64Gb Ram for latest imac 27 i9 2020?

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The issue you face is the number of slots (4) and the amount of RAM your system could support (max)

Using two slots we can use:

  • 4GB SO-DIMM’s getting to a total of 8GB
  • 8GB SO-DIMM’s getting to a total of 16GB
  • 16GB SO-DIMM’s getting to a total of 32GB
  • 32GB SO-DIMM’s getting to a total of 64GB

Now using four slots we can get to these levels

  • 4GB SO-DIMM’s getting to a total of 16GB
  • 8GB SO-DIMM’s getting to a total of 32GB
  • 16GB SO-DIMM’s getting to a total of 64GB
  • 32GB SO-DIMM’s getting to a total of 128GB (the systems max)

Now to confuse you! The more DIMM slots used the faster the RAM I/O! But, don’t let that be your focus! Think are you likely need to boost the system again in the future. If you are likely, you would like want the denser SO-DIMM’s only using two slots with the idea you can then add in more later. Besides you currently have two SO-DIMM’s in your system now which you might as well continue to use.

OK, last issue what is your work process? As the amount of RAM (and storage) should be based on what your process needs. A writer won’t need much RAM unlike a video producer or a photographer who work on large projects.

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Im a publisher so i need adobe products (Ps, Id, Ai, Lr)…


@Anushka - What is the size of your work 100 pages or less? Are you planning on publishing more written or more photographic work? How many projects are you working across in a week?


now we working on 3 publications of Art books with full pictures and its more then 500 pages....


@Anushka - I would go with 64GB of RAM as you are likely to get into larger works.

Now it gets tricky! Do you go with the two slot solution or go with the four?

If you think you'll be using your system for greater than 5 years then going with two slots gives you a future option (don't forget you can still use your current RAM in this config as well), if you are likely to jump to a newer system in a few years using the four slot solution would make sense.


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