Amazon.com: Odyson - 1TB SSD (SSUAX, PCIe 2.0 x4) Replacement for MacBook Pro 13" A1502, 15" A1398, Replacement for Mac Pro A1481, 21.5" A1418, 27" A1419 (Late 2013-Late 2014) : Electronics
How to Upgrade Retina MacBook Pro SSD Storage: 13-Inch: EveryMac.com
SSD Upgrades for 2013, 2014, and 2015 MacBook Pro
How-To: Upgrade the SSD in your MacBook Air or Retina MacBook Pro, boosting size & speed - 9to5Mac
MacBook Pro 13" and 15" Retina (Late 2013-Mid 2014) SSD
SSD upgrade on MacBook Pro 2014
Amazon.com: 256GB SSD Hard Drive for Apple MacBook Pro Air 11" 13" 15" A1502 A1398 A1465 A1466 (Late 2013-2015) / OSX Sierra/Mac Pro A1481 : Electronics
How To: Replace the SSD in your MacBook Air 13" (Early 2015) - YouTube
How to install an SSD on a 15-inch Retina MacBook Pro
SSD Upgrades for 2013, 2014, and 2015 MacBook Pro
MacBook Pro (Retina, 13-inch, Early 2015) Upgrade to NVMe M.2 SSD - YouTube