2.40GHz Intel Xeon E5620 Quad Core 5.86 GT/s 12MB L3 Cache Socket LGA1366 SLBV4 Number of threads: 8number of cores: 4socket type: lga 1366memory compatibility: ddr3-1066 and ddr3-800manual: http: //ark. Intel. Com/products/47925/intel-xeon-processor-e5620-12m-cache-2_40-ghz-5_86-gts-intel-qpinote: image may not be exact.