Late 2013 - MacPro6,1 (6-core)
Compatible upgrades for: MD878LL/A Late 2013 Six Core Mac Pro.
Standard RAM: 16 GB*
Maximum RAM: 128 GB*
Details: In the standard configuration, 16 GB of RAM is installed as four 4 GB modules, but if a "Six Core" processor option is selected as a CTO upgrade for the entry-level ME253LL/A model, it is possible to configure this system with just 12 GB of RAM. With 16 GB of RAM, no slots are free.
*Apple formally supports 64 GB of RAM in this model, but third-parties have determined it can support 128 GB of RAM.
RAM Slots: 4