AMD Opteron 6348 2.8GHz Twelve Core OS6348WKTCGHKProcessor. Socket G34 LGA 1944.This CPU has several broken pins. Tested working with memory channels A1, A2, B1, B2 on Asus motherboard KGPE-D16. Memory channels C and D are NOT working.We will package carefully and provide 14 dayswarranty on this item.Return within 14 days if you're not satisfied with it and money will be back.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.