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Differences Between Mid-2012 and Mid-2013 MacBook Air: EveryMac.com
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How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
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macOS High Sierra Compatible Macs and System Requirements: EveryMac.com
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MacBook Air Performance Comparison: Mid-2013/Early 2014: EveryMac.com
MacBook "Core 2 Duo" 2.4 13" (Mid-2010) Specs (Mid-2010, MC516LL/A, MacBook7,1, A1342, 2395*): EveryMac.com
What is the RAM size of a MacBook Pro A1278? - Quora
MacBook Pro "Core i5" 2.5 13" Mid-2012 Specs (Mid-2012 13", MD101LL/A*, MacBookPro9,2, A1278, 2554*): EveryMac.com
macOS Sierra Compatible Macs and System Requirements: EveryMac.com
Unibody MacBook Pro Q&A (Unibody MacBook Pro FAQ): EveryMac.com
OS X Yosemite Compatible Macs and System Requirements: EveryMac.com
Differences Between 17-Inch MacBook Pro, Early 2008/2009: EveryMac.com
