Mac Pro 3.5GHZ 6-Core Xeon E5-1650v2 Processor (D500 Video Late 2013). - Apple MD878LL/A-D500. The Mac Pro Six Core 3.5 (Late 2013) is powered by a single 3.5 GHz Six Core 22-nm Xeon E5-1650v2 processor with a dedicated 256k of level 2 cache for each core and 12 MB of level 3 Smart Cache. Custom configure your Memory and Hard Drive and dual AMD FirePro D500 graphics processors with 3 GB of GDDR5 memory each.