MacBook Pro (13-inch, Early 2011) - Technical Specifications
Apple MacBook Pro 13-Inch (Early 2011) i5 2.30GHz 4GB RAM 320GB HHD macOS Sierra | eBay
Apple Macbook / MACBOOK PRO 13" EARLY 2011 2.7GHZ İ7/4GB RAM/128GB SSD at sahibinden.com - 1101634508
MacBook Pro 13" Unibody Early 2011 Repair - iFixit
MacBook Pro 13" (Late 2011) 1600MHz Ram - Apple Community
Apple Adds Early 2011 13-Inch MacBook Pro to Obsolete Products List - MacRumors
Apple MacBook Pro A1278 (Early 2011) 13"-Core i7, 2.7GHz 8GB RAM, 750GB HDD - Apple Force
Apple MacBook Pro 13" (Early 2011) - Core i7 2.7GHz, 16GB RAM, 500GB H
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
MacBook Pro 13" Unibody Early 2011 RAM Replacement - iFixit Repair Guide