SSD High Sierra – Compatibility of 3rd Party SSD with High Sierra

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If I install High Sierra on a 3rd party SSD, will the main volume's file system be converted to APFS?

The hardware is a Early 2011 13" Macbook Pro with a Crucial M4 SSD.

Best Answer

If I install High Sierra on a 3rd party SSD, will it be APFS?

An SSD is a drive regardless of who makes it and will be compatible APFS.

In this article, about SSD support for OWC (3rd party) SSDs, there are two main take aways:

  • OWC shows up as both a rotational drive, which won't convert upon setup and as a RAID 0 array which won't convert at all.

  • A user in the forum confirms that the Crucial M4 in a 2012 MBP works without issue.

So, the issue is (IMO) not a High Sierra one, but one of the manufacturers in how they implement their SSD and present it to the OS.

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