MacBook Pro (13-inch, Mid 2012) Hard Drive (and possibly RAM) replacement : r/mac
mac - What is the maximum RAM size for MacBook Pro Mid 2012? - Ask Different
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
Apple MacBook Pro A1278 (2012) 13.3" Intel Core i5 2.5Ghz, Mac OS X Sierra, 8 Go RAM, 500 Go HDD, Clavier QWERTY - Cdiscount Informatique
Kit Upgrade RAM MacBook Pro 13" Unibody A1278 (mi-2012)
RAM MEMORY FOR APPLE MACBOOK PRO 13" Core i5 2.5GHZ A1278 MID 2012 AD34 | Shopee Philippines
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Apple MacBook Pro (15-inch Mid 2012) 2.3 GHz i7-3615QM 8GB RAM 1TB SSD
Kuesuny 16Go (2x8Go) PC3L-12800S DDR3 1600MHz RAM SODIMM for Laptop Apple MacBook Pro (Mid 2012), iMac (Late 2012 Early/Late 2013, Late 2014), Mac Mini (Late 2012) 204-Pin SODIMM Memory Upgrade Kit : Amazon.fr: Informatique