Amazon.com: NGFF M.2 NVMe SSD Convert Adapter Card for Upgrade MacBook Air 2013 2014 2015 2016 2017 and Mac Pro Retina 2013 2014 2015, NVMe AHCI SSD Upgraded Kit for A1465 A1466 A1398 A1502 : Electronics
Amazon.com: GODSHARK mSATA to A1398 A1425 (2012 & Early 2013) Adapter for MacBook Pro Retina SSD Replacement, Mini PCIe SATA SSD Converter Card : Electronics
Apple MacBook Pro with Retina Display (15-inch, 2014) review: Still the best higher-res laptop, but the competition is catching up - CNET
How to Upgrade SSD for Macbook Pro/Air 2013/2014/2015 Retina - YouTube
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How to Upgrade the SSD on a MacBook Pro Retina Early/Mid/Late 2013/2014/2015 - Replacement Tutorial - YouTube
Actualización de mi Macbook Pro 15 de mediados de 2015 | Pedro Luis Luque Calvo
How to install an SSD on a 15-inch Retina MacBook Pro