MacBook Pro 13" and 15" Retina (2015) SSD - iFixit Store
128GB 256GB 512GB SSD For 2013 2014 2015 Apple Macbook Pro Retina A1502 A1398 Macbook Air A1465 A1466 SSD Solid State Drive|Internal Solid State Drives| - AliExpress
How to install an SSD on a 15-inch Retina MacBook Pro
How-To: Upgrade the SSD in your MacBook Air or Retina MacBook Pro, boosting size & speed - 9to5Mac