Arbeitsspeicher im iMac installieren - Apple Support (DE)
A-Tech 32GB (4x8GB) RAM for Apple iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
Rasalas 8GB Kit PC3-10600 DDR3 1333mhz Sodimm Arbeitsspeicher für AMD Intel Laptop, MacBook Pro 13/15/17 inch Early Late 2011, iMac 21.5 inch Mid Late 2011, 27 inch Mid 2011: Amazon.de: Computer & Zubehör