INTEL ES CPU E5-2450 V2 Eight-Cores 2.5GHz LGA1356. Pls note it's engineering sample version processor with QDF QF6Z . It will be compatible with your Lenovo/HP/Dell servers or workstations.It's matched pair if you purchase two.Processors were tested working on Asus Z9NA motherboardShipping &Handling fees is charged to United States by Post Airmail and it generally takes 14 work days to arrive its destination with tracking service. Pls email me on other areas or other shipping arrangement.