HP 383039-001 - Intel Xeon 3.8 Single Core processor - 3.80GHz (Irwindale, 2MB Level-2 cache, 110W Thermal Design Power (TDP), socket 604) Retail
HP AD395-2102C - Intel Itanium 9110N single core processor - 1.60GHz (Montvale, 12MB Level-2 cache, 533MHZ Front Side Bus (FSB), 75W Thermal Design Power (TDP), socket PPGA611) Retail
HP 269621-001 - Intel Xeon 5150 two cores processor - 2.66GHz (Woodcrest, 4MB Level-2 cache, 1333 MHz front-side bus (FSB), 65 watt thermal design power (TDP), socket LGA771) Retail
HP 513861-001 - Intel Xeon E5410 Quad-Core 64-bit processor - 2.33GHz (Harpertown, 12MB Level-2 cache, 1333MHz front side bus, 80W Thermal Design Power (TDP), LGA771 socket) Retail
HP XR246AA - T5550 Intel core 2 two-cores, processor - 1.83GHz (2MB Level-2 cache, 667 MHz speed FSB (front side bus), 35 watt thermal design power (TDP), socket PPGA478) Retail