442840-B21 – HP 1.60GHz Socket LGA771 Xeon 5110 2-Core Processor

HP NF147AA 2.13GHz 4.80GT/s QPI 4MB L3 Cache Socket FCLGA1366 Intel Xeon E5506 Quad-core (4 Core) Processor For Workstation Z600/Z800

HP NF150AA 2.53GHz 5.86GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon E5540 Quad-core (4 Core) Processor Kit For Z600/Z800 Workstation

HP KY116AA 3.40GHz 1600MHz FSB 6MB L2 Cache Socket LGA771 Intel Xeon X5272 Dual-core (2 Core) Processor

HP KY114AA 3.20GHz 1600MHz FSB 12MB L2 Cache Socket LGA771 Intel Xeon X5482 Quad-core (4 Core) Processor