Just upgraded from a 2014 4gb ram MacBook air to a 32gb ram 2020 pro. Also got the AirPod pros for only $90 with apple's promotion. This upgrade was much needed : r/macbookpro
For Macbook Air Ssd Adapter For Apple Ssd Adapter Card M2 M.2 For Macbook Pro Accessories Retina 2013 2014 2015 2016 2017 Cards - Memory Card Adapters - AliExpress
SSD upgrade on MacBook Pro 2014
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A-Tech 4GB RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz SODIMM PC3-12800 204-Pin SO-DIMM Memory Upgrade at Amazon.com
Amazon.com: Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3L 1600MHz for Mac Book Pro (Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM : Electronics
A-Tech 8GB RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz SODIMM PC3-12800 204-Pin SO-DIMM Memory Upgrade at Amazon.com