MacBook Pro 13" Retina Display Early 2015 SSD Replacement - iFixit Repair Guide
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
480GB OWC Aura N NVMe SSD kit for MacBook Pro Late 2013 - Mid 2015, MacBook Air Mid 2013 - Mid 2017
MacBook Pro Retina 13 and 15-inch Early 2015 - Mid 2015 SSD upgrade - Flexx memory
MacBook Air 11" (2013-2015) 13" (2013-2017) MacBook Pro Retina 13" and 15" ( 2015) SSD - iFixit Store