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New external hard drive not showing

I have just purchased a Sabrent Rocket XTRM Thunderbolt 3 2TB external ssd which I plan to use on my iMac 27” mid 2011 predominately, but also use it with my 2015 MacBook Pro. On my iMac it will take over from the almost worn out hard drive. I have connected a Thunderbolt 3 to Thunderbolt 2 adapter to the Sabrent and then a short thunderbolt 2 cable to the thunderbolt port on the iMac. Unfortunately the external ssd does not show on the desktop or disk utility.

Do anyone have an idea what the problem could be please?


iMac 27″, 10.13

Posted on Jan 30, 2021 8:24 AM

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Question marked as Top-ranking reply

Posted on Jan 30, 2021 11:36 AM

If all else fails and you can return the Sabrent for a refund I suggest you get an external SSD from OWC (MacSales.com). Contact their Customer Support and find out which of their units will work with your iMac model. They have excellent support and products.


7 replies

New external hard drive not showing

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