What you can do with an internal SSD module from a vintage Mac

In 2010, Apple started to release Macs with solid-state drives
(SSDs) that used a socket and—with varying amounts of
effort—could be removed and upgraded by the owner or by an
Apple or third-party technician. But starting in 2016, nearly
every Mac released has the SSD soldered directly to the
motherboard. The iMac is a notable exception, but see the note
at the end of this article.

If you have a Mac of the proper vintage, it can be from
vanishingly easy to exceedingly difficult to get the
“blade”-style SSD out of the Mac and replace it with a
higher-capacity model. These blades plug into a slot, something
like RAM but with a narrower connector. Apple developed multiple, proprietary connectors
across its use of blade SSDs. In my wife’s recently purchased
2014 MacBook Pro, nothing is easily serviceable except for the
SSD, which is a cinch to access, remove, and replace.

opt apple ssds connector types 1520x468

Apple has used a variety of blade-style SSD connectors.

But what to do with the SSD you removed? If it’s 256GB or
greater, it seems a shame to waste it, and it’s hard to sell
lower-capacity drives to a Mac user with a compatible computer,
as most people who want an SSD are upgrading from a lower
capacity already.

Put it in an external case

You could purchase an external case from Other World Computing,
which offers USB 3 enclosures compatible with Apple drives.
Make sure and figure out the right model to buy based on the
particular type of SSD blade that came out of your Mac.
The Envoy Pro is the most likely match, as it
supports drives shipped with Macs from 2013 to present. But
there are three other Envoy and Envoy Pro models for
earlier generations of Mac and drive.

The price may be a snag. At $100, the Envoy Pro for 2013 and
later blade SSDs makes little sense for up to a 500GB drive, as
you can purchase a 500GB SSD in a USB 3.0 or 3.1 external
enclosure new for about $100. For a 1TB drive, it makes much
more sense, but it’s unlikely many of you are upgrading from
1TB to 2TB, and the 1TB blade SSD has a lot more resale value
to owners of compatible models.

For somewhat older Macs, the OWC enclosure can be just $50,
making it a more cost-effective arrangement for a 500GB drive,
but likely not for lower capacities. (OWC’s enclosures make
much more financial sense as part of their kit upgrade bundles
that come with a higher-capacity SSD.)

You should also run the SSD through DriveDx,
which will give you a sense of the remaining lifespan: SSDs
eventually wear out, and it doesn’t make sense to buy an
enclosure if the drive doesn’t have much time left on it.

A note on iMacs

If you own a more recent iMac, you might be tempted to upgrade
its SSD, but I’d suggest you carefully review the iFixIt guide first. I
recently was at a repair shop and talked to a technician who
had just disassembled and reassembled a modern iMac. They told
me they’d hoped to never do so again: the risk of damaging the
computer was so huge due to fragile cables and the process of
separating the display that it was hard to take in such jobs.
If Apple takes an iMac in for repair and hits a snag that makes
it unusable, they can simply swap in a new computer for you
from their stock. Not so for third parties—or you!

This Mac 911 article is in response to a question submitted
by Macworld reader Zo.

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