How-To: Boost your Mac's speed and prolong its useful life with easy RAM upgrades - 9to5Mac
MacBook Pro - Wikipedia
Apple MacBook Pro A1425 13.3 inch Laptop - MD212LL/A (October, 2012) for sale online | eBay
Restored Apple MacBook Pro 13.3 Laptop LED Intel i5 3210M 2.5GHz 4GB 500GB - MD101LLA (Refurbished) - Walmart.com
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Apple MacBook Pro: RAM upgrade (HowTo)
Macbook Pro 2012 RAM Upgrade - 4GB(2x2GB) to 8GB(2x4GB) - YouTube
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MacBook Pro (Retina, 15-inch, Early 2013) - Technical Specifications
mac - What is the maximum RAM size for MacBook Pro Mid 2012? - Ask Different
Apple Adding Last MacBook Pro With CD Drive to Vintage Products List - MacRumors
The next-gen MacBook Pro with Retina Display: SSD Analysis
Mid-2012 Macbook Pro 16GB RAM Upgrade How To - YouTube
MacBook Pro 15" Retina Display Mid 2012 Teardown - iFixit
MacBook Pro review (13-inch, mid-2012) | Engadget
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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 SODIMM PC3-12800 204-Pin SO-DIMM Memory