Mac pro 6,1 (late 2013) won’t recognize LaCie SSD

I’m trying to connect LaCie Mobile SSD to MacPro 6,1 with T2 to T3 Apple dongle

Mac Pro, OS X 10.11

Posted on May 12, 2024 11:38 AM

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Posted on May 12, 2024 11:50 AM

You just need a simple USB-A to USB-C 3.1 adapter for that connection.


for some examples:

https://www.amazon.com/dp/B074V4QBS4/ref=sspa_dk_detail_2?

https://www.amazon.com/dp/B0B5WB3FKR/ref=sspa_dk_detail_3?

https://www.amazon.com/dp/B0CSJZC5XL/ref=sspa_dk_detail_1?

3 replies

May 12, 2024 12:00 PM in response to fotolou

The Apple ThunderBolt-3 <-> ThunderBolt-2 adapter supports ONLY genuine Thunderbolt devices on each side. Your LaCie drive is extremely unlikely to be a genuine ThunderBolt device.


In addition, the adapter does not supply POWER on either side.


Just as den.thed has stated, the Mac Pro 6,1 features USB 3 ports, and these are adequate for all but the fastest External SSD drives.


Their 5,000 Mega bits/sec speed roughly translates to around 500 Mega Bytes/sec, before any minor speed reductions will be seen. That is plenty fast for most purposes.

Mac pro 6,1 (late 2013) won’t recognize LaCie SSD

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