The Dell Poweredge T620 server can hold quantity two Intel Xeon E5-2600 V1 or V2 processors. If installing a second processor make sure to use a genuine Dell heatsink. It has been specifically engineered for the Poweredge T620.The heatsink for the Poweredge T620 can be found in the heatsink category. When installing the processor make sure to put thermal paste between the processor and heatsink. If you have any questions on the Poweredge T620 Processor kits give us a call at 952-831-1032.