product description : quad-core intel xeon processorprocessor number : e5440clock speed : 2.83 ghzl2 cache : 12mbfront side bus : 1333 mhzprocess technology : 45 nanometer technologysystem type : dppackage type : lga771power : 80wheatsink : passive* execute disable bit* intel 64* qc* intel virtualization technology* dbs* flexmigration* sse4