Product Name: HP Z Series Workstation Kit Xeon E5520 Intel SLBFD 2.26Ghz 8MB LGA1366 CPU with 463990 001 heatsink Works in z400 and z600 models Includes Thermal paste
HP Z Series Workstation Kit / Xeon E5520 Intel SLBFD 2.26Ghz 8MB LGA1366 CPU with 463990-001 heatsink / Works in z400 and z600 models / Includes Thermal paste syringe