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Sunday, October 18, 2020
Works with the 2020 27" iMac at a fraction of what Apple charges.
Seems to operate faster when original ram has been removed. At least the factory 8 GB (2×4 GB).
I used 2 of these to upgrade my iMac from 8 GB to 64 GB. I tried simply adding the new ram and then booted to see the difference. After a slight delay in the boot process I now had 72 GB but only 2420 MHz. Long story short, I completely removed the factory ram and replaced it with these in order to get 2667 MHz. Now making adjustments in Lightroom is instantaneous. Also, kudos to Apple for making an iMac with user accessible RAM.