2017 iMAC i7 4.2GHz main memory

mcasan

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Joined
Apr 26, 2015
Messages
514
Location
Atlanta
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When I ordered our iMacs back in 2017 they had only 8GB of 2400MHz DDR4 memory. I added 16GB more memory to save several dollar. So that was 24GB of 2400MHZ memory.

Today I replaced the 4 modules with 2 new ones that are together 32GB of 2667MHz DDR4. Nice to have a bit more memory and at a faster bus speed.

Your milage may vary.
 

mcasan

Active Member
Joined
Apr 26, 2015
Messages
514
Location
Atlanta
Lightroom Experience
Intermediate
Lightroom Version
I did several things to speed up the iMac and Adobe apps:
  1. put in 32GB of memory of a faster speed (2666MHz)
  2. turned on the GPU support for editing and display for Lr and Ps
  3. updated all images to process version 5 (so acceleration would work)
  4. moved all data from HDD RAID 0 to NVMe SSD RAID 0.
And I did not have to open my iMac for any of these. ;)
 
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