Amazon.com: MCE Technologies 1TB Internal SSD Flash Upgrade for MacBook Pro Retina (Mid 2012 - Early 2013) - Includes USB 3.0 Enclosure for Original Drive & Install Kit! : Electronics
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
MacBook Pro (Retina, 15-inch, Mid 2012) SSD Upgrade - A Leslie Wong Blog
Genuine Mid 2012 For Macbook Air 11" A1465 13" A1466 Ssd Solid State Drive 64gb 128gb 256gb 512gb Md231 Md232 Md223 Md224 - Laptop Repair Components - AliExpress
Amazon.com: MCE Technologies 2TB Internal SSD Flash Upgrade for 13" and 15" MacBook Pro Retina (Mid 2012 - Early 2013) - Includes Installation Kit! : Electronics
MacBook Pro 13" Retina Display Late 2012 SSD Replacement - iFixit Repair Guide
Samsung OEM SSD for Mid 2012 and Early 2013 MacBook Pro Retina
MacBook Pro 13" Retina Display Late 2012 SSD Replacement - iFixit Repair Guide
Does the mid-2012 13 MacBook Pro have an M.2 slot that I can use for an Intel Optane memory upgrade? - Quora