Intel Xeon E5640 quad-core processor (part no. 611123-L21) for HP ProLiant BL220c G7 blade servers. Operates at 2.66 GHz with 5.86 GT/s QPI interconnect and 12 MB L3 cache, delivering balanced performance for general enterprise workloads. LGA1366 socket compatible with other Xeon 5600-series processors. 32nm process, 80W TDP. Typical applications include database servers, application hosting, and virtualization in mid-range blade environments. This processor is tested and guaranteed, available via quote.