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A2115 / 2019 / Processors from 3.0 GHz 6-core i5, up to 3.6 GHz 8-core i9. Released March 19, 2019.

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Can I attach m.2 ssd heatsink to the 2019 iMac 27inch?

https://www.youtube.com/watch?v=pGkmqAgz...

while look at this video, at 11:18, m.2 ssd slot is on next to the usb ports, which is the end of slim edge of backside of imac case.

I found some m.2 ssd heatsink that has z-height under 4~5mm. Can I attach thease heatsink?

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Update (07/21/2019)

@danj Um... What kind of issue? I found many successful reviews of iMac users who has install m.2 ssd with sintech adapter. I'm considering buy 2019 iMac 27inch and 1tb ssd. But apple's original proprietary ssd is too much expensive. At the article you gave to me (ultimate guide blabla), the price of gen 5 1tb ssd is $898. Let me see the price of samsung 970 pro 1tb.... $332? Game is over.

Ok then, if there is not a critical issue, I'll just buy samsung 970 pro or evo. I'm not milionare.

Besides, it is much clever to just buy iMac with ssd cto option. Why should I spend my time to spend more money by buying more expensive ssd with taking the risk of breaking the apple care? You know, it is nonsense.

Update (07/21/2019)

I'm digging the issues of sintech adapter.

https://www.amazon.com/Sintech-M-2-PCIe-...

search customer qna with keyword 'imac'

found someons imac upgrading experience thread

https://forums.macrumors.com/threads/ima...

(I've already have original adhesive strip tape which bought from mac repair company. They say there are so many unqualified iMac strip tape that sells in the online market. They said they are using that tape at their repair job, and they've done self testing compare with other tapes. So I trusted it.)

I found another ifixit link. Oh there is your comment, hi @danj

NVMe and CPU upgrades: 2019 vs 2017 27-inch iMacs?

Now I know your side of thinking.

Thank you but I'll choose by myself.

Beantwortet! View the answer Ich habe das gleiche Problem

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Why do you think you need to add the heatsink?

FYI - Apple uses a custom SSD which is not M.2 complaint!

Here's a good reference: The Ultimate Guide to Apple’s Proprietary SSDs

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Gewählte Lösung

I would not recommend doing this as the case on the lower edge will likely hit your heatsink damaging your SSD and/or logic board.

As far a cooling of the SSD the placement of the SSD is not by chance! Being just above the ports where the fresh air enters from the port perforations cools the SSD.

I doubt you’re altering the SSD’s drive cells that frequently to push the thermals beyond what the SSD can handle. If you are you likely have too small an SSD and/or the SSD does not have enough free space so it gets into trouble trying to wear level the cells. Smaller SSD’s need more free space. As an example a 128 to 256 GB SSD needs at least 1/3 of the drive empty and a 512 to 1TB at least 1/4 free. This is only as issue on boot drive SSD’s.

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thank you. then, I just replace only m.2 ssd

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No, you can't use an M.2 SSD! Review the comment I posted in your question and the URL link.

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@Dan Sure. I forgot to say "with sintech adapter".

https://www.amazon.com/Sintech-M-2-PCIe-...

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No! Use the REAL Apple SSD or one that's designed to fit OWC or Transcend.

The adapter with M.2 SSD has issues in the iMac's.

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@danj Ok. I found that owc and transcend sells apple proprietary connecting format ssd.

https://www.amazon.com/OWC-Performance-I...

Can you please confirm whether I can use the owc ssd in the 2019 iMac 27inch? There is no one who says it.

But, before that, I'm not trust OWC, because they are not specialized hardware manufactory. Furthermore, the customer reviews of that product is not good.

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