Amazon.com: OWC 2.0TB Aura Pro X2 Complete SSD Upgrade Solution with Tools & OWC Envoy Pro Enclosure Compatible with MacBook Air (Mid 2013-2017) and MacBook Pro (Retina, Late 2013 - Mid 2015) : Electronics
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
How to Upgrade MacBook Pro Retina SSD -mac&egg-
Refurbished 2015 Apple MacBook Pro Quad Core i7 2.8 15" Dual Graphics 16GB RAM 2TB SSD MJLU2LL/A A1398
MacBook Air 11" (2013-2015) 13" (2013-2017) MacBook Pro Retina 13" and 15" ( 2015) SSD
How to use an NVMe drive to upgrade your Mac's SSD | AppleInsider
Amazon.com: MCE Technologies 2TB SSD for MacBook Pro 2015 15-inch Only: PCIe-Based 4 Lane (x4) NVMe 8.0GT/s SSD Flash Storage Upgrade - 2900MB/s Read, 2100MB/s Write, Requires macOS 10.13.x (High Sierra) or