UP573 – Dell 2.13GHz PGA604 Xeon E7420 4-Core Processor

HP FP479AA 3.50GHz 1333MHz FSB 6MB L2 Cache Socket LGA771 Intel Xeon X5270 Dual-core (2 Core) Processor For xw8600/xw6600 Workstation

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

HP KD215AA 3.00GHz 1333MHz FSB 12MB L2 Cache Socket LGA771 Intel Xeon X5450 Quad-core (4 Core) Processor For xw8600 Workstation

HP 703962-B21 3.50GHz 3200MHz HTL 16MB L3 Cache Socket G34 AMD Opteron 6308 Quad-core (4 Core) Processor