Mac mini with M.2 NVME external drive configuration

I just bought a Satechi hub for my 2024 M4 Mac mini. The Mac has 24GB RAM and a 512GB hard drive. I would like to transfer to this from my 2020 iMac with a 1TB drive. The iMac drive is about 80% full (even after offloading this like music and photos to external drives), so it won’t fit into the 512 Mac Mini. I plan on adding a M.2 NVME drive to the Satechi to address this. So I have 2 questions:

  1. What capacity? I’m thinking 2TB.
  2. What is the best configuration for the 2 separate drives? Do I migrate to the M.2 NVME drive?


Posted on Mar 16, 2025 09:09 AM

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Posted on Mar 18, 2025 05:26 AM

If you run this script from the terminal it will enable Apple Intelligence on external drive booting…


curl -L https://raw.githubusercontent.com/Kyle-Ye/XcodeLLMEligible/release/0.2/scripts/override.sh | bash -s -- install override xcodellm+greymatter+strontium


Works on macOS Sequoia 15.3.2 currently. May break on future os updates.

6 replies

Mar 16, 2025 01:46 PM in response to JJODOD

You would not want to use the NVME drive in the Satechi Hub as your main boot drive unless it is a TB enclosure as the speed would be much lower than your internal drive. As already noted get a larger external TB drive and use that as your boot drive. Just a side note that if you use the external you cannot use Apple Intelligence app.

Mar 18, 2025 01:39 AM in response to JJODOD

I have been booting my M2 mini from an external drive for the last 17 months.


For the first year I used a cheap Crucial 1TB SSD in a USB 3.0 enclosure (total cost £60).


Of course the speed of the drive was only 20% of the internal SSD BUT for all normal tasks including FCP film editing it was virtually as fast and there was no way it felt any slower. The only time its speed was obvious was when copying massive (50GB+) files but that is something I rarely, if ever do.


Then 5 months ago I decided to see how much better a 1TB Crucial NVMe in a Thunderbolt housing (total £130) would be.


YES, this drive is much faster, even faster than the internal SSD BUT for all normal tasks it feels just the same as the "slow" SSD.


On timed tests it might be up to 5% faster than the USB but there is no way you can feel the difference.


Of course it is quicker if you copy a massive file.


So was it worth forking out the extra cash . . . ?


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Mac mini with M.2 NVME external drive configuration

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