0GHz Intel Xeon E5-1680 v2 Processor Upgrade Kit for Mac Pro (Late 2013 - 2019) Upgrade the processor in your Mac Pro (Late 2013 - 2019) to an 8-Core 3.
.5GHz Intel Xeon E5-1650 v2.OWC 6-Core 3.5GHz Intel Xeon E5-1650 v2 Processor Upgrade Kit for Mac Pro (Late 2013 - 2019) Upgrade the processor in your Mac Pro (Late 2013 - 2019) to a 6-Core 3.