MacBook Pro: How to remove or install memory - Apple Support
mac - What is the maximum RAM size for MacBook Pro Mid 2012? - Ask Different
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Does the mid-2012 13 MacBook Pro have an M.2 slot that I can use for an Intel Optane memory upgrade? - Quora
Apple MacBook Pro 13.3'' Core i5 2.5Ghz 16GB 4TB HDD (Mid 2012) Catalina 10.5.7 | eBay