AMD Opteron ZS301804P4D14 Engineering Sample CPU QUAD CORE Socket F 1207. CPU is working at Quad Core 3.0Ghz/6MB L3. It seems a Opteron 239x engineering sample CPU. Added info on Opteron 2393 is just for reference.They're fully tested 100% working. We provide 14 days DOA warranty on this item.Shipping &Handling fees is free to North America by Post Airmail and it generally takes 7 work days to arrive its destination with tracking service. Pls email me on other areas or other shipping arrangment.