Amazon.com: Sinobright 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
hardware - MacBook Pro, Mid-2014, SSD replacement - Ask Different
How to add a fast new SSD to your old Mac or MacBook for only $150 - 9to5Mac
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
OWC SSD Flash Storage Upgrade for Mac mini 2014
SSD upgrade on MacBook Pro 2014
SSD upgrade on MacBook Pro 2014
13" inch MacBook Air A1466 Early 2014 Disassembly SSD Upgrade M.2 PCIe NVMe SSD - YouTube
How to use an NVMe drive to upgrade your Mac's SSD | AppleInsider