Amazon.com: CPU Motherboard Set, Desk Top PC Motherboard Set for Intel Xeon X5650 CPU High Air Volume Radiator, Memory Main Board Set Support Zhiqiang Series I7 Quad-core CPU Six-core : Electronics
59Y4023-RF IBM - IMSourcing Certified Pre-Owned Intel Xeon X5650 Hexa-
HP Xeon Six Core X5650 2.66Ghz 12MB 6.50GTS Processor