How-To: Upgrade the SSD in your MacBook Air or Retina MacBook Pro, boosting size & speed - 9to5Mac
How to Upgrade MacBook Pro Retina SSD -mac&egg-
MacBook Air 13" Early 2015 SSD Replacement - iFixit Repair Guide
Teardown Reveals New 13-Inch MacBook Air SSD is Nearly Twice as Fast as SSD in New 11-Inch MacBook Air - MacRumors
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 & Replace an SSD in MacBook Air | OSXDaily