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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
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MacBook and MacBook Pro (Non-Retina) SSD Upgrade Kit
MacBook Unibody Model A1278 Hard Drive Replacement - iFixit Repair Guide
How To Add Second A SSD to Replace Optical Drive MacBook Pro 2012 - YouTube