INTEL CPU E5 V2 10-Cores 2.3GHz Turbo 3.1Ghz LGA 2011. It's engineering sample CPU with sSpec QDNR and L1 stepping. Price is for QTY 1. It's matched pair if you buy two.It's tested working on my Biostar Tpower X79 motherboard.PLS check if your system can support ES CPU before purchase.We will package carefully and provide 14 dayswarranty on this item.Shipping 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.