Amazon.com: OWC 1.0TB Aura Pro X2 Complete SSD Upgrade Solution with Tools & OWC Envoy Pro Enclosure Compatible with MacBook Air (Mid 2013-2017) and MacBook Pro (Retina, Late 2013 - Mid 2015) : Electronics
How to Upgrade the PCIe SSD in an 11-inch MacBook Air (Mid 2013 – Early 2015) - YouTube