Processor Kit Xeon X5660 2.80 GHz 6-core 95W 12MB (588064-B21)
Processor Kit Xeon X5650 2.66 GHz 6-core 95W 12MB (588066-B21)
Processor Kit Xeon X5650 2.66 GHz 6-core 95W 12MB (587482-B21)
Processor Kit Xeon X5670 2.93 GHz 6-core 95W 12MB (587493-B21)