I ran diagnostics and have zero errors and even have a screenshot somewhere that I posted to a user on instagram that asked me that. I believe People have fun doing things on thier own and are pretty much capable in deciding if they trust thier self in doing it on thier own.Īs for the thermal sensor for the SATA drive, believe me. It is more the misleading and false information about this which also prevents pro's from doing it. not wanting to support endusers in opening thier sealed macs. Is also not worth the time to debug or trying to always work around.īy for your reply, while you are right it is harder to do yes, but truth is, it is not really that hard. With the issues with booting under this config with some setups and hibernation gets messed up which can cause OS crashes.

I just install them as its just easier and the cost factor is not that much. But! If you run diagnostics you'll get a few errors which can confuse. Don't forget some of these SSD & adapter combo's won't allow the drive to be the boot drive which is a strong reason too.Īs far as the SATA drive replacement true the newer '17 and newer iMac's no longer require the inline thermal sensors. The systems I get in with these adapters tend to have bad SSD's as the CRC error's finely catch up killing the SSD, SSD's that die in a couple of years is not good economics! Putting one into a iMac is risky in my option as its already so hard to get to. Maybe they are getting better I haven't tried one in the last year. Many people are just not skilled enough which is why OWC (and Transcend) decided not to get into supporting exchanging out the blade SSD as it was just so much harder.Īs for using these M.2 adapters I'm not a fan. If you still insist on using the non standard EVO then Samsung released an firmware update for the EVO Plus that fixes issues on Mac, you need to upgrade it first using a PC before putting the drive in your - Theres a couple of issues here that you glossed over.įirst the newer 'Thin Series' iMac's are harder to open up without damaging the display and taking the logic board out adds to it (and a bit of a shock risk). I recommend the regular EVO not the EVO Plus or EVO Pro. I am happy I did it and got rid of the FusionDrive setup.Īs a note, if you plan to replace the SATA drive with an SSD, which I also did then 'No' you do not need the overpriced and useless thermal Sensor from OWC either. I have some images on instagram where I did my upgrade.: I only recommend the Sintech adapters, others are known to have issues. I did my 2017 iMac with a EVO 970 NVMe SSD + Sintech M.2 NVMe to Apple PCEe adapter. Even from OWC, which only wants to sell a SATA upgrade kit for the 2017 iMac. I am amazed how much confusion information is on the internet about this topic.

Upgrading an 2017 iMac 27' with an off the shelf NMVe m.2 SSD + M.2 Apple PCIe adapter is definitely possible.

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