HP 501106-001 3.06GHz 1066MHz FSB 6MB L2 Cache Socket PGA478 Intel Core 2 Extreme X9100 Dual-core (2 Core) Processor

HP 500606-001 2.53GHz 1066MHz FSB 12MB L2 Cache Socket PGA478 Intel Core 2 Extreme QX9300 Quad-core (4 Core) Processor

HP 507950-001 3.06GHz 1066MHz FSB 6MB L2 Cache Socket PGA478 Intel Core 2 Extreme X9100 Dual-core (2 Core) Processor

HP 507947-001 2.26GHz 1066MHz FSB 12MB L2 Cache Socket PGA478 Intel Core 2 Quad Q9100 Quad-core (4 Core) Processor

HP 375368-B21 2.80GHz 667MHz FSB 1MB L2 Cache Socket PPGA604 Intel Xeon MP 1-Core Processor

HP 448371-L21 3.40GHz 1600MHz FSB 6MB L2 Cache Socket LGA771 Intel Xeon X5272 Dual-core (2 Core) Processor Kit For ProLiant DL160 Gen5

HP 539847-L21 2.80GHz 2400MHz HTL 6MB L3 Cache Socket F AMD Opteron 8439 SE Hexa-core (6 Core) Processor Kit For ProLiant DL585 G6

HPE 539798-L21 2.10GHz 2400MHz HTL 6MB L3 Cache Socket F AMD Opteron 2425 HE Hexa-core (6 Core) Processor Kit For ProLiant BL465c G6