Apple Mac Pro A1481 2013 820-3637-A CPU Upgrade to 12 Cores Logic Board Service
Apple Mac Pro A1481 2013 820-3637-A CPU Upgrade to 12 Core (2.7 GHz 12 Core Xeon E5-2697v2) Service. Your Mac Pro must be in fully working condition. If it's defective, you will need logic boards repair service first which you can check ithere.