How to use an NVMe drive to upgrade your Mac's SSD | AppleInsider
Amazon.com: 256GB SSD Hard Drive for Apple MacBook Pro Air 11" 13" 15" A1502 A1398 A1465 A1466 (Late 2013-2015) / OSX Sierra/Mac Pro A1481 : Electronics
SSD Upgrades for 2013, 2014, and 2015 MacBook Pro
MacBook Pro 13" and 15" Retina (Late 2013-Mid 2014) SSD