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
How to Upgrade MacBook Pro Retina SSD -mac&egg-
Upgrading the Internal SSD in Macbook Air 13 inch (Early 2015) | by greenteabiscuit | Medium
MacBook Pro 13" Retina Display Early 2015 SSD Replacement - iFixit Repair Guide