INTEL Xeon E5450 (BX80574E5450A) 3.0ghz 1u active em64t quad core w/12mb cache 1333mhz lga771-pin retail boxed (3 years warranty)
Intel Celeron M 380 1.6GHz 400MHz 1MB CPU, OEM
Intel Xeon Dual-Core 5110 1.6GHz 1066MHz 771pin 4MB CPU, OEM
Intel Core 2 Quad Processor Q9650 3GHz 1333MHz 12MB LGA775 CPU. OEM