Installing SSD (Solid State Drive) in Your MacBook Pro 13" or 15" Unibody : 24 Steps (with Pictures) - Instructables
For 2013 2014 2015 Macbook Air Pro SSD NVMe PCIe M.2 NGFF Converter Adapter Card 663250733496 | eBay
Teardown Reveals New 13-Inch MacBook Air SSD is Nearly Twice as Fast as SSD in New 11-Inch MacBook Air - MacRumors
PCIe SSD Enclosure for MacBook Air Pro Retina 2013 2014 2015 2016 2017, USB 3.0 to A1465 A1466 A1398 A1502 SSD Adapter with Case (12+16 pin)-Macbook SSD is not included - WIT Computers
Apple Proprietary SSDs: Ultimate Guide to Specs & Upgrades | BeetsBlog
512GB version of the new MacBook Pro has a slower SSD than the Mac it replaces | Ars Technica