Amazon.com: Sintech M2(NGFF) SATA SSD Card,for Upgrade 24Pin 2012 Year MacBook PRO Retina SSD (Fit M.2 SATA 2280 SSD,Not Fit M.2 nVME SSD) : Electronics
MacBook Pro Retina (Mid 2012): SSD Replacement - YouTube
How to install an SSD on a 15-inch Retina MacBook Pro
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MacBook Pro 15" Retina (Mid 2012-Early 2013) SSD
OWC SSD Kits For MacBook Pro Retina Display 2012 - 2013
256GB SSD For MacBook Pro A1398 Mid 2012 Early 2013 A1425 Late 2012 Early 2013 | eBay
Upgrading SSD on macbook pro 15 retina mid 2012 to 2013 - YouTube