OWC Launches 1 TB SSD Upgrade Kits for 2010-2012 MacBook Air - MacRumors
SSD upgrade on MacBook Pro 2014
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 11" Early 2014 SSD Replacement - iFixit Repair Guide