MacBook Pro (Retina, 15-inch, Mid 2012) - Technical Specifications
MacBook Pro 13" Unibody A1278 (Mid 2012) RAM Upgrade Kit
Can I replace this part only in Macbook Pro mid 2012? (RAM slot/holder) : r/macbookpro
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OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com