MacBook Pro 13" Retina Display Late 2013 SSD Replacement - iFixit Repair Guide
A-Tech 16GB Kit (2x8GB) RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
SOLVED: Upgrade from 4gb to 8gb? - MacBook Air 13" Mid 2013 - iFixit
How to Upgrade the PCIe SSD in an 13-inch MacBook Air (Mid 2013 – Mid 2017) on Vimeo
MacBook Pro with Retina display review (13-inch, 2015) | Engadget
Teardown of New Mid-2013 MacBook Air Reveals Smaller SSD, Increased Battery Capacity - MacRumors
MacBook Air 11" (Mid 2013) – Gazelle
How to use an NVMe drive to upgrade your Mac's SSD | AppleInsider