2GB RAM - Memory (PC3-10600) for Apple MacBook Pro 15 inch A1286, 13 inch A1278, 17 inch A1297, Mac mini Unibody A1347, iMac 21.5 inch A1311, 27 inch A1312
Installare la memoria in un iMac - Supporto Apple (IT)
CMS 16GB (4X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core I3 3.06 21.5-Inch (Mid-2010) - A28 at Amazon.com