Hewlett-Packard (HP) 594883-001 - 2.80Ghz 6.40GT/s 12MB Cache LGA1366 Intel Xeon X5660 Hexa-Core CPU Processor Sale $139.00 Retail $319.00
Hewlett-Packard (HP) 490069-001 - 2.80Ghz 6.40GT/s 8MB Cache Intel LGA1366 Xeon X5560 Quad-Core CPU Processor Sale $39.00 Retail $149.00