MacBook Pro 15" Retina Display Early 2013 SSD Replacement - iFixit Repair Guide
Amazon.com: Odyson - 768GB SSD Replacement for MacBook Pro 13" A1425 & 15" A1398 (2012, Early 2013) : Electronics
MacBook Pro 13" Retina (Mid 2012-Early 2013) SSD
SSD Upgrades for 2013, 2014, and 2015 MacBook Pro
New 2TB SSD for Mid 2012 Early 2013 Apple MacBook Pro 13" 15" Ret. A1425 A1398 | eBay
Original for Macbook Pro Retina 13" A1425 15" A1398 Blade SSD Solid State Drive 128GB 256GB 512GB 768GB Late/Mid 2012 Early 2013 - AliExpress
SSUAX SSD For Late 2013 / Early 2014 MacBook Pro Retina
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