MacBook Pro 13" (Late 2011) 1600MHz Ram - Apple Community
Apple MacBook Pro 13" (Early 2011) Core i5 8GB Ram 256GB SSD macOS Monterey | eBay
Apple MacBook Pro 13-Inch (Early 2011) i5 2.30GHz 4GB RAM 320GB HHD macOS Sierra | eBay
MacBook Pro 15" Unibody Early 2011 Teardown - iFixit
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
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 Pro 13 inch Early 2011 2.3 GHz Intel Core i5 4GB RAM 320GB SATA | eBay
Review: The MacBook Pro (13-inch, Early 2011) – 512 Pixels
MacBook Pro (13-inch, Early 2011) - Technical Specifications
Amazon.com: 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 : Electronics
MacBook Pro 13" Unibody Early 2011 RAM Replacement - iFixit Repair Guide
Display Quality - The MacBook Pro Review (13 & 15-inch): 2011 Brings Sandy Bridge
Can early-2011 MacBook Pro 13" handle 1600 RAM? | MacRumors Forums
16GB (2X8GB) SODIMM RAM Memory for Apple MacBook Pro Core i5 2.3 13" Early 2011 DDR3-10600 1333Mhz by Xtremeram at Amazon.com