Amazon.com: Vbestlife for Intel Xeon X5660 Six-Core Twelve Threads 2.8GHz 12M Cache LGA1366 CPU Official Version Suitable for X58, X79 Series Motherboards : Everything Else
Matched pair Intel Xeon X5660 2.80GHz Six Core LGA1366 12MB CPU Processor SLBV6 | eBay
Silver INTEL XEON PROCESSOR X5660
Intel Xeon X5660 SLBV6 2.8GHz 12 MB LGA 1366 Six Core CPU Processor 675901039154 | eBay