The Dell Poweredge R730 server can hold quantity two Intel Xeon E5-2600 V3 and V4 Series processors. If installing a second processor make sure to use a genuine Dell heatsink. It has been specifically engineered for the Poweredge R730. The heatsink for the Poweredge R730 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 R730 Processor kits give us a call at 952-831-1032.