Timetec Hynix IC Apple DDR3 1333MHz PC3-10600 SODIMM Memory Upgrade for MacBook Pro 13/15/17 inch Early/Late 2011, iMac 21.5 inch Mid/Late 2010/2011, 27 inch Mid 2010/2011, Mac mini 5.1 & 5.2 Mid 2011: Amazon.de: Computer & Accessories
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 15-inch MacBook Pro (Late 2011) Review
MacBook Pro 13" Retina Display Ende 2013 SSD Ersatz - iFixit Reparaturanleitung
How to Increase the Performance of an Old MacBook Pro [Tutorial]
How to boost your MacBook Pro performance | ZDNET
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube
MacBook Pro (13 Zoll, Ende 2011, Unibody) Reparatur - iFixit
Apple MacBook Pro Early 2011 Crucial Memory Upgrade - YouTube
How to upgrade the RAM on your 13-inch MacBook Pro