How to Upgrade the SSD on a MacBook Pro Retina Early/Mid/Late 2013/2014/2015 - Replacement Tutorial - YouTube
Amazon.com: PCIe NVMe Gen3x4 SSD 1TB 512GB 256GB 128GB 3D TLC NAND Flash Hard Drive SSD Replacement for Macbook Air 2013-2017, Macbook Pro Retina 2013-2015, iMac 2013-2017, Mac Pro 2013, Mac Mini 2014 (1TB) : Electronics
MacBook Pro 13" and 15" Retina (Late 2013-Mid 2014) SSD
Amazon.com: Reletech 1TB SSD NVMe M.2 Gen 3x4 Upgrade Solid State Drive for MacBook Air(Mid 2013-2017) MacBook Pro (Retina, Late 2013 - Mid 2015) Mac Pro(2013)&Mini (2014),iMac(2013-2017) (P400M, 1TB) : Electronics
1TB SSD Replacement for MacBook Air, Pro Retina & Mac Pro