MacBook Pro: Speicher entfernen oder installieren - Apple Support (DE)
Test-Update Apple MacBook Pro 17 Early 2011 (2.3 GHz Quad-Core, matt) - Notebookcheck.com Tests
iFixIt zerlegt das 15-Zoll MacBook Pro (Early 2011) | Mac Life
Early 2011 Macbook Pro Upgrades | MacRumors Forums
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 RAM Upgrade for 2011 MacBook Pro & Mac Mini Core i5 & i7 – $34 | OSXDaily
Ask iFixit: What Should I Upgrade First on My Old MacBook Pro? | iFixit News
Mac Laptop Kits - MacBook Pro - iFixit
How to Upgrade RAM in MacBook Pro 17" 2011 16GB Install Tutorial - YouTube
RAM-Upgrade auf einem MacBook Pro, iMac und anderen | AVG
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
Apple MacBook Pro Early 2011 - 15-inch 2.2GHz Core i7 Apple Memory/RAM & SSD Upgrades | Kingston
MacBook Pro - Wikipedia
Macbook Pro SSD Upgrade (2011/2012/2013) - YouTube
MacBook Pro 13" Unibody Early 2011 Repair - iFixit
Replace your 2009-2012 MacBook Pro HD with an SSD
Test-Update Apple MacBook Pro 17 Early 2011 (2.3 GHz Quad-Core, matt) - Notebookcheck.com Tests
MacBook Pro 15.4" is Fast! (review)
Memory/ RAM Upgrades For Apple MacBook Pro 2011 from OWC