Does the mid-2012 13 MacBook Pro have an M.2 slot that I can use for an Intel Optane memory upgrade? - Quora
How to Upgrade & Replace an SSD in MacBook Air | OSXDaily
MacBook Pro 13" Retina Display Late 2012 SSD Replacement - iFixit Repair Guide
Teardown of Mid-2012 MacBook Air Reveals Tweaked SSD Connector - MacRumors
MacBook Pro Retina (Mid 2012): SSD Replacement - YouTube
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Amazon.com: MCE Technologies 500GB Internal SSD Flash Upgrade for 13" and 15" MacBook Pro with Retina Display (Mid 2012 - Early 2013) - Includes Installation Kit! : Electronics