Apple MacBook Air 13″ Early 2014 Core i5 1.4GHz 8GB 120GB SSD macOS 11.7.4 Big Sur – Refresh Computers Online Marketplace
MacBook Air 13" (Early 2014) – Gazelle
Amazon.com: PCIe NVMe Gen3x4 SSD 1TB 512GB 256GB 128GB 3D TLC NAND Flash Hard Drive SSD Replacement for Macbook Air 2013-2017, Macbook Pro Retina 2013-2015, iMac 2013-2017, Mac Pro 2013, Mac Mini 2014 (1TB) : Electronics
How to Upgrade the SSD on a MacBook Pro Retina Early/Mid/Late 2013/2014/2015 - Replacement Tutorial - YouTube
13" inch MacBook Air A1466 Early 2014 Disassembly SSD Upgrade M.2 PCIe NVMe SSD - YouTube