How to Upgrade MacBook Air with more Storage | Upgrade 128GB SSD Flash Drive To 256GB - YouTube
How to Install a SSD in a 11-inch MacBook Air 2010 - UPDATED - YouTube
Amazon.com: MCE Technologies 256GB SSD for MacBook Air 2015 and MacBook Air 2017: PCIe-Based 4 Lane (x4) NVMe SSD Flash Storage Upgrade - Requires macOS 10.13.x (High Sierra) or Later : Electronics