If you want to replace an apple ssd with a cheaper, better NVMe one, you can buy an adapter to do just that. I just did that and strangely enough, even though the original was a SATA, the NVMe device works fine.
https://www.amazon.com/Convert-Adapter-MacBook-Retina-Upgraded/dp/B07VVNKRYR/ref=sr_1_18?dchild=1&keywords=imac+2014+ssd+nvme+adapter&qid=1593782305&sr=8-18 > On Jul 3, 2020, at 6:27 PM, Gregg Eshelman via Emc-users > <emc-users@lists.sourceforge.net> wrote: > > Apple has used several different and incompatible slim SSD types in recent > years. Now that they have finally adopted NVMe in the cheesegrater that costs > as much as a car, they're still locking the buyer in. The computer comes with > two modules installed but their serial numbers are programmed into the > firmware so they can only be replaced for failure or upgraded by Apple, and > the computer won't boot if they're removed. > > On Friday, July 3, 2020, 7:24:57 AM MDT, Thaddeus Waldner > <thadw...@gmail.com> wrote: > Be aware that M.2 is a socket spec that includes both SATA and NVMe type > devices. > > https://www.atpinc.com/blog/what-is-m.2-M-B-BM-key-socket-3 > > Added to that, Apple began using PCIe drives before the NVMe standard was > established, so there’s another socket to be confused about if you run Mac. >> >> Fast forward to the year 2020... Today we don't use SSDs that are made to >> look like HDD and are put inside of a box with a SATA interface. That hack >> was a transitional technique for retrofitting SSD into older computers. >> The box is mostly filled with air and the SATA interface is dead-dog-slow >> compared to PCIe. A modern SSD comes on an M2 size card and plugs directly >> into the PCIe bus and does not even try to pretend it is a SATA Hard Drive. >> If you are buying new storage you want a PCIe interface M.2 forms factor >> SSD. >> https://en.wikipedia.org/wiki/M.2 > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
