Specifications of Intel Xeon Processor E7520 (1.87Ghz):

Tested for Full Functions, R2/Ready for Reuse
Model: Intel® Xeon® Processor E7520 (18M Cache, 1.86 GHz, 4.80 GT/s Intel® QPI)
Socket: FCLGA1567
Cores: 4
Threads: 8
Clock Speed: 1.87 GHz
Turboboost: No
Bus Speed: 4.8 GT/s QPI
TDP: 95 W
Virtualization Support (Intel vTX): Yes
Directed-IO Extension (Intel vTD): No

SKU: 1-87Ghz_E7520_QC