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: Toptekits M.2 NGFF to A1398 A1425 (2012 & Early 2013) Adapter MacBook Pro Retina SSD Replacement, B Key SATA Hard Disk Drive HDD Converter Card : Electronics
EMC 2557 2672 Macbook Pro Retina 13" A1425 15" A1398 Blade SSD Solid State Drive 128GB 256GB 512GB 1TB Late Mid 2012 Early 2013|Internal Solid State Drives| - AliExpress
OWC SSD Kits For MacBook Pro Retina Display 2012 - 2013
Apple 768GB mSATA Flash Storage Solid State Drive for MacBook Pro Retina 13- inch and 15-inch Mid 2012 Early 2013/SSDs-661-7011
MacBook Pro 13" and 15" Retina (Late 2013-Mid 2014) SSD - iFixit Store
How to install an SSD on a 15-inch Retina MacBook Pro
MacBook Pro 13" Retina Display Early 2013 SSD Replacement - iFixit Repair Guide