Amazon.com: Timetec 4GB Compatible for Apple DDR3 1333MHz PC3-10600 CL9 for Mac Book Pro (Early/Late 2011 13/15/17 inch), iMac (Mid 2010, Mid/Late 2011 21.5/27 inch), Mac Mini(Mid 2011) SODIMM MAC RAM Upgrade : Electronics
Timetec Hynix IC 8GB Compatible for Apple DDR3 1333MHz PC3-10600 SODIMM Memory for Early/Late 2011 13/15/17 inch MacBook Pro, Mid 2010 and Mid/Late 2011 21.5/27 inch iMac, Mid 2011 Mac Mini (8GB) - Walmart.com
This old baby working fine still!!! (Early 2011 17inch MacBook Pro upgraded to 16GB Ram and 1TB SSD) : r/macbook
MacBook Pro 17" Early 2011 running without the AMD GPU - Ask Different
MacBook Pro 13" Unibody Late 2011 RAM Replacement - iFixit Repair Guide
Proven: Fastest MacBook Pro 17” Inch 2011 2.5Ghz - 3.6Ghz / USB 3.0 / 16g 2133MHz RAM / Dual SSD RAID 0 Loaded (Best Build)
MacBook Pro 17" Unibody RAM Replacement - iFixit Repair Guide
17-inch MacBook Pro Mid 2010 Memory Installation Video - YouTube
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
macos - What is the maximum amount of RAM a 2011 MacBook Pro can utilize? - Ask Different
Apple MacBook Pro 17-inch (2011) Review | Digital Trends
How to Upgrade RAM in MacBook Pro 17" 2011 16GB Install Tutorial - YouTube
RAM-upgrade-question in a 17" 2011 Macbook Pro | MacRumors Forums
MacBook Pro 17" Early 2011 EMC 2352-1 - used original spareparts for Macs