Maybe.
http://www.xbitlabs.com/news/cpu/di..._Core_Sandy_Bridge_E_Processor_Hits_Ebay.html
http://www.xbitlabs.com/news/cpu/di..._Core_Sandy_Bridge_E_Processor_Hits_Ebay.html
The chip marked as "Intel Confidential" has eight cores with Hyper-Threading technology, 20MB of level-three cache and clock-speed of 1.60GHz. The chip has Q19D s-Spec as well as belongs to A4 stepping.