Lenovo 0C19565 Intel Xeon E5-2420 v2 Octa-core (6 Core) 2.20 GHz Processor Upgrade - Socket FCLGA1356 Lenovo 0C19565 Intel Xeon E5-2420 v2 Octa-core (6 Core) 2.20 GHz Processor Upgrade - Socket FCLGA1356