P1840-63001 – HP 766MHz 66MHz FSB 128KB L2 Cache Socket PGA370 Intel Celeron 1-Core Processor

HP NF148AA 2.26GHz 5.86GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon E5520 Quad-core (4 Core) Processor For Z600/Z800 Workstation

HP NF151AA 2.66GHz 6.40GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon X5550 Quad-core (4 Core) Processor

HP KY198AA 3.00GHz 1333MHz FSB 6MB L2 Cache Socket LGA771 Intel Xeon E5240 Dual-core (2 Core) Processor Kit For xw6600/xw8600 Workstation

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