Apple Computer, iMac 21.5-inch 3.3 GHz Core i3 (i3-3225), Compatible Order Number, ME699LL/A, Compatible Model Number, A1418, Model Year, Early 2013, Part Name, Memory 2GB, Manufacture Part Number, N/A, EMC Number, EMC 2524, EEE Code, N/A, Compatible Apple Computer, iMac (21.5-inch, Early 2013)
Order you product here: 661-7419 Memory 2GB for iMac 21.5-inch Early 2013 A1418 ME699LL/A, 661-7419
source http://info.applepartsellers.com/661-7419-memory-2gb-for-imac-21-5-inch-early-2013-a1418-me699ll-a