MacBook Pro (13-inch, Early 2011) - Technical Specifications
Apple MacBook Pro A1278 Early-2011 13" Intel i5 @ 2.3GHz 8GB RAM 500GB HDD *READ | eBay
Apple Adds Early 2011 13-Inch MacBook Pro to Obsolete Products List - MacRumors
MacBook Pro 13" Unibody Early 2011 RAM Replacement - iFixit Repair Guide
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 at Amazon.com
MacBook Pro 15" Unibody Early 2011 Teardown - iFixit
MacBook Pro 13" Unibody Early 2011 Logic Board Replacement - iFixit Repair Guide
Apple MacBook Pro 13-Inch The MacBook Pro "Core i7" 2.7 13-Inch (Early 2011/Thunderbolt) features a 32 nm "Sandy Bridge" 2.7 GHz Intel
Apple Macbook / MACBOOK PRO 13" EARLY 2011 2.7GHZ İ7/4GB RAM/128GB SSD at sahibinden.com - 1101634508
MacBook PRO 13" i5 2,3GHz 16GB ram 320GB HDD - Metà 2011
Apple MacBook Pro (13-inch, Early 2011) 2.3GHz Intel Core i5, 6GB RAM, 128GB SSD | eBay
A-Tech 16GB (2x8GB) RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch), Mac Mini (Mid 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
8GB Upgrade for a Apple MacBook Pro (13-inch, Early 2011) System (DDR3 PC3-10600, Non-ECC, ) at Amazon.com
16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube
Apple MacBook Pro 13.3" Laptop - Early 2011 Model 250GB SSD 4GB RAM | eBay
Can early-2011 MacBook Pro 13" handle 1600 RAM? | MacRumors Forums
Review Apple MacBook Pro 13 Early 2011 (2.3 GHz dual-core, glare-type screen) - NotebookCheck.net Reviews
Apple MacBook Pro Core I5 2.3ghz 13" 8gb RAM A1278 Early 2011 | eBay