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Mid 2012 model, A1278 / 2.5 GHz i5 or 2.9 GHz i7 processor.

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Limitations of Mac OS Catalina

The MBP 13" unibody (mid-2012) is a fantastic machine. I have mine configured with 16 GB RAM, 4 TB internal primary SSD and 2 TB internal secondary HD. The OS on this machine cannot be upgraded past Catalina. Most, (soon to be all) browsers are not supported unless I upgrade to Mac OS Sonoma. Is there any MBP capable of running Sonoma that will allow user modification of RAM and internal storage so that my hardware can be match?

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You do know there are OS shim services which allow you to run newer macOS's on your system, like OpenCore or DOSdude

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Sorry, all of Apples laptops are soldered in Flash chips. To add to that, many Windoze systems are following Apple😫

From what you are listing of your systems config you've already maxed it out! 16GB and two drives! You might be able to get a bit more storage swapping out the 2TB for a 4TB but do you really need that much storage internally? I do get the idea less to carry or forget. Even still your workflow may have special needs. Buying a fully maxed out M series system with 8TB of storage is quite expensive! The good thing is you can get upto 36GB of RAM (14" MBP) in some systems. But it is all at a heavy cost (Apple Tax).

You may need to move some of your stuff to an external drive to save some pennies!

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My work has required that I have access to a large volume of data and photos (about 150,000) in remote locations where there may be poor Cloud access, so I have always taken it with me, and yes I do not want to have external drives that could get lost. I will look into OpenCore LP. Thanks!

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@kenny70005 - If you’re set, don’t forget to accept the answer - Thanks!

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kenny will be eternally grateful.
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