Early 2013 - iMac13,1
compatible upgrades for : ME699LL/A
Standard RAM: 4 GB
Maximum RAM: 16 GB*
Details: *4 GB of RAM is standard and it can be upgraded at the time of purchase to 8 GB or 16 GB at additional cost. Although Apple does not intend for one to upgrade the RAM after purchase, and doing so is difficult, it is possible.
RAM Slots: 2*