How to use an NVMe drive to upgrade your Mac's SSD | AppleInsider
Original 128GB PCI-e SSD Replacement for MacBook Pro Late 2013 - Mid 2014, MacBook Air Mid 2013 - Early 2014, iMac Late 2013 - Mid 2015, Mac Mini Late 2014 (Bulk, No Retail Packaging) : Electronics
How to install an SSD on a 15-inch Retina MacBook Pro
128GB iFixit MacBook Pro 13 and 15 Retina (Late 2013/Mid 2014) SSD - New for Sale
Amazon.com: Odyson - 512GB SSD Replacement for MacBook Air 11" A1465, 13" A1466 (Mid 2013, Early 2014) : Electronics