You can buy complete Dell Workstations with e5 v4/v3 CPUs or even Xeon Gold CPUs for a pittance on ebay. They already have power management, etc built in and t

You can buy complete Dell Workstations with e5 v4/v3 CPUs or even Xeon Gold CPUs for a pittance on ebay. They already have power management, etc built in and tend to run whisper quiet.