PCIe SSD Enclosure for MacBook Air Pro Retina 2013 2014 2015 2016 2017, USB 3.0 to A1465 A1466 A1398 A1502 SSD Adapter with Case (12+16 pin)-Macbook SSD is not included - WIT Computers
SSD speeds on mid 2014 rmbp? | MacRumors Forums
Apple MacBook Pro with Retina Display (15-inch, 2014) review: Still the best higher-res laptop, but the competition is catching up - CNET
121GB SSD Solid State Drive for MacBook Pro 13 & 15 inch A1502 A1398 (Late 2013 - Mid 2014)
15” Macbook Pro Retina A1398 - PCIe SSD Flash 512GB Storage Late 2013 2014 2015 | eBay
MacBook Pro Retina 13 and 15-inch Late 2013 - Mid 2014 SSD upgrade - Flexx memory
Apple MacBook Pro Retina 15" 2014 -500GB SSD -16GB RAM - MacOS Big Sur | eBay
Apple's new MacBook Pro with Retina display models unboxed, SSDs speed tested | AppleInsider