How to Upgrade the SSD on a MacBook Pro Retina Early/Mid/Late 2013/2014/2015 - Replacement Tutorial - YouTube
How to Upgrade the PCIe SSD in an 11-inch MacBook Air (Mid 2013 – Early 2015) - YouTube
MacBook Pro 13" and 15" Retina (Late 2013-Mid 2014) SSD - iFixit Store
Amazon.com: Odyson - 512GB SSD Replacement for MacBook Air 11" A1465, 13" A1466 (Mid 2013, Early 2014) : Electronics
Amazon.com: LWS M.2 NVME SSD Convert for MacBook Air Pro Retina Mid 2013 2014 2015 2016 2017, NVME/AHCI SSD Upgraded Kit for A1465 A1466 A1398 A1502.(Two PCS) : Electronics
Amazon.com: Odyson - 512GB SSD Replacement for MacBook Air 11" A1465, 13" A1466 (Mid 2013, Early 2014) : Electronics
Amazon.com: Original 128GB PCI-e SSD Replacement for MacBook Pro Late 2013 - Mid 2014, MacBook Air Mid 2013 - Early 2014, iMac Late 2013 - Mid 2015, Mac Mini Late 2014 (Bulk, No Retail Packaging) : Electronics
How To: Replace the SSD in your MacBook Air 13" (Early 2015) - YouTube
Upgrading 2013/2014 Macbook Pro SSD to M.2 NVMe | MacRumors Forums