External USB-C Drive crashing 2020 MacBook Pro 16"

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External USB-C Drive crashing 2020 MacBook Pro 16"

The question has been asked before, see link below. Not sure if it has been resolved, so I'll ask it again.

I have an external USB-C SSD (Icy box enclosure 1817Ma-C31, Adata SX8200 pro ssd). It connects through USB-C and Black magic disk speed test does indicate the expected transfer speed - for less than a minute. Than it freezes or crashes my laptop. Same with any other use through USB-C connection.

If I use a Satechi adapter and connect the external SSD to a rectangular USB3 connection, I get R/W speeds of about 450 MB/s and can work on it for hours.

Any idea how I can get the USB-C connection to work? I tries reinstalling macOS and resetting SMC, to no avail. Thanks for any help!

Link to the older post: https://discussions.apple.com/thread/251255002?answerId=252423113022#252423113022

MacBook Pro with Touch Bar

Posted on Sep 8, 2020 11:13 AM

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Answer 1

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jerope Author

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Sep 30, 2020 11:14 AM in response to jerope

Turned out the crashes were caused by two events:

One of the thunderbolt ports ports on my MacBook was not well placed and needed repair.
The 2TB SX8200 Pro is NOT compatible with the IcyBox enclosures IB-1817M-C31 or IB-1817Ma-C31.

Having the thunderbolt ports fixed, the drive problem persisted, but the MacBook did not crash anymore. The drive simply stopped responding. When using another enclosure, the drive works just fine.

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Answer 2

Sep 8, 2020 11:19 AM in response to jerope

jerope wrote:

The question has been asked before, see link below. Not sure if it has been resolved, so I'll ask it again.

I have an external USB-C SSD (Icy box enclosure 1817Ma-C31, Adata SX8200 pro ssd). It connects through USB-C and Black magic disk speed test does indicate the expected transfer speed - for less than a minute. Than it freezes or crashes my laptop. Same with any other use through USB-C connection.

If I use a Satechi adapter and connect the external SSD to a rectangular USB3 connection, I get R/W speeds of about 450 MB/s and can work on it for hours.

Any idea how I can get the USB-C connection to work? I tries reinstalling macOS and resetting SMC, to no avail. Thanks for any help!

Link to the older post: https://discussions.apple.com/thread/251255002?answerId=252423113022#252423113022

Does not sound like it is compatible—

You can contact the developer and see if there is update...

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External USB-C Drive crashing 2020 MacBook Pro 16"

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