Adding memory cards to 2020 iMac Retina 5K, 27"

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Level 1

6 points

Adding memory cards to 2020 iMac Retina 5K, 27"

Can I add 16 GB 2666 MHz DDR4 to my iMac that has two 4GB 2667 MHz DDR4 installed (total 8GB)? I couldn't find 4 GB memory cards for sale, only 8 GB cards.

Processor is 3.3 GHz 6-Core Intel Core i5; AMD Radeon Pro 5300 4GM, Ventura 13.0.1; built-in Retina display, 27-inch.

I can live with the memory I have to if there's no card available. Sometimes I have too many apps open and I get a warning about not enough RAM. Just wondering.

Update: I just checked the Activity Monitor and it's in the green with 14 apps open! So maybe I'm okay but would still like to know if it's possible to add memory despite not finding the exact cards.

Thanks

iMac 27″, macOS 13.0

Posted on Nov 21, 2022 10:13 AM

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Answer 1

Best reply

den.thed

Level 9

77,992 points

Nov 21, 2022 10:25 AM in response to Bonnie6245

Mac are very picky.

Your best bet is to order,

the 16GB 2x8 or 32GB 2x16 kit from OWC

https://eshop.macsales.com/shop/memory/imac-2019-27-inch

or the 16GB 2x8 or 32GB 2x16 kit from Crucial

https://www.crucial.com/compatible-upgrade-for/apple/imac-(retina-5k--27-inch--2020)-imac20-1

and then add those to the existing 2 modules.

Install memory in an iMac - Apple Support

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Answer 2

rkaufmann87

Level 10

141,198 points

Nov 21, 2022 1:40 PM in response to Bonnie6245

Adding RAM will not speed up your computer, if that I what you are trying to do please do the following:

It will help us get a good idea of what is causing your problem if you provide a report of your system, that way we do not have to play 20 questions with you. The report we are requesting does NOT provide any personal information and is extremely safe to use. Please navigate to www.Etrecheck.com and download the free version of EtreCheck. Once you have you downloaded the app and installed it, please run the report and save it. This report will help us get a good idea what has been installed on your system and help us be able to diagnose what may be wrong.

When you have your report, you can attach it when you reply to this message and we can then review it and help you determine what is needed to get your system running well again.

For instructions on how to download your EtreCheck report and attach it to your reply to this message please click How to use the Add Text Feature When Post… - Apple Community

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Answer 3

Bonnie6245 Author

Level 1

6 points

Nov 21, 2022 1:18 PM in response to den.thed

Thanks for the info and the link to macsales.com. I ordered the 8GB 2x4 kit as the recommendation was to get the same size as the two originals. It will speed up my computer more than it already is.

Thanks again.

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Answer 4

Bonnie6245 Author

Level 1

6 points

Dec 5, 2022 10:09 AM in response to rkaufmann87

I was having too many applications open at the same time and a software program would alert me to the fact that the RAM was getting overloaded. I downloaded and ran the EtreCheck application and everything is good.

Thank you for your help.

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Answer 5

rkaufmann87

Level 10

141,198 points

Dec 5, 2022 10:17 AM in response to Bonnie6245

We need to see your report in order to assist, as mentioned there is no personal information on the report and it takes multiple sets of eyes to see it as you can easily miss critical information. Please post per the instructions.

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Answer 6

Old Toad

Level 10

208,111 points

Nov 21, 2022 10:40 AM in response to den.thed

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Answer 7

rkaufmann87

Level 10

141,198 points

Nov 21, 2022 12:35 PM in response to Bonnie6245

+2

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Adding memory cards to 2020 iMac Retina 5K, 27"

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