Amazon.com: MCE Technologies 1TB SSD Compatible with MacBook Air 2015 and Compatible with MacBook Air 2017: PCIe-Based 4 Lane (x4) NVMe SSD Flash Storage Upgrade - Requires macOS 10.13.x (High Sierra) or
Apple 128GB PCIe NVMe Blade M2 SSD - MacBook Air 11" A1465 Early 2015 | eBay
Amazon.com: INDMEM NVMe PCIe SSD 256GB 3D TLC NAND Flash Hard Drive Replacement for Mid 2013-2017 MacBook Air, Late 2013 - Mid 2015 MacBook Pro Retina, Late 2013-2017 iMac, 2013 Mac Pro, 2014 Mac Mini : Electronics
MacBook Air 13" Early 2015 SSD Replacement - iFixit Repair Guide
MacBook Air 11" Flash Storage SSD, 128GB, Early 2015 - 661-02370 661-02371
MacBook Pro + Air (Mid 2013-Early 2015) Blade SSD Upgrade Kit
MacBook Air Storage Upgrade from 128GB to 1TB NVMe SSD (Early 2015, Without losing data) - YouTube