Just upgraded my old A1278
Big Sur or Monterey
I've popped 16gb ram and a 1tb ssd in my MacBook Pro Core i5 25 13-Inch Mid-2012USB 3.0
The MacBook Pro Core i5 25 13-Inch Mid-2012USB 30 features a 22 nm Ivy Bridge 25 GHz Intel Core i5.
MacOS Mojave is compatible with the following Mac models MacBook Air 2012 or later.
A1278 covers the 2008 through 2012 model years Do you have any idea the model id serial number of your MacBook Pro so I can give you the correct info for your particular system.
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