Specifications of Intel Pentium 4 521 Processor (2.80Ghz):

Tested for Full Functions, R2/Ready for Reuse
Model: Intel® Pentium® 4 Processor 521
Socket: PLGA775
Cores: 1
Threads: 2
Clock Speed: 2.80 GHz
Turboboost: No
Bus Speed: 800 MHz FSB
TDP: 84 W
Virtualization Support (Intel vTX): No
Directed-IO Extension (Intel vTD): No