Upgraded my 128Gb Macbook Air (2015) to a 512Gb aftermarket NVME SSD - FREEEEDOMMM : r/macbook
MacBook Pro + Air (Mid 2013-Early 2015) Blade SSD Upgrade Kit
Teardown Reveals New 13-Inch MacBook Air SSD is Nearly Twice as Fast as SSD in New 11-Inch MacBook Air - MacRumors
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
The OWC Aura Pro X2 SSD Review: An NVMe Upgrade For Older Macs