Due to their robust architecture, overclocking isn't an option for Intel® Xeon® Processors.
Is overclocking possible with any Intel® Xeon® Processors?
Due to their robust architecture, overclocking isn't an option for Intel® Xeon® Processors.
If the preference is overclocking, a different type of processor family is recommended.
More information: The Risks of Overclocking an Intel® Xeon® Processor
This white paper examines the trend of overclocking an Intel® Xeon® Processor at frequencies beyond official specifications, and reviews the risks associated with this approach including data errors, unpredictable system failures, and voided warranty.