Don't remove the mark of "Ibk " on below right side of CPU.
CPU X5660 Matching pair Intel Xeon X5670 X5675 X5680 X5690 LGA1366 Processor LOT
Intel Xeon X5650 X5660 X5670 X5675 X5680 X5690 L5630 LGA1366 CPU Processor lot
Matching pair Xeon X5650 X5660 X5670 X5675 X5680 X5690 LGA1366 CPU Processor
intel Xeon X5670 X5672 X5675 X5677 X5680 X5687 X5690 CPU Processor
Intel Xeon x5660 x5670 x5679 x5680 x5690 Wholesale LGA 1366 CPU Processor
Original Intel Xeon X5670 2.93 GHz Six Core Processor 1136LGA CPU
