NEMIX RAM 32GB (4x8GB Upgrade) DDR3-1333 PC3-10600 204-Pin SODIMM Memory for Apple MacBook Pro Early/Late 2011, iMac Mid 2010 27 inch 4-Core, iMac Mid 2011 21.5/27” , Mac Mini Mid 2011 at Amazon.com
Timetec Kit da 32 GB (4 x 8 GB) compatibile per Apple DDR3 1333 MHz PC3-
4GB to 32GB RAM Upgrade Apple iMac Mid 2011 - YouTube
iMac Ram Upgrade: Upgrade the Ram of Apple iMac mid 2011 to 32GB - YouTube