The Xeon® E52403 1.80 GHz Quad Core Processor from Dell™ is designed to enhance the performance and the speed of your system. This processor features an integrated 10 MB cache and 6.4 GT/s bus speed that gives the processor core faster access to larger amount of data used most often. It supports SpeedStep® Technology switches both voltage and frequency in tandem between high and low levels in response to processor load. Its Thermal Monitoring Technologies protect the processor package and the system from thermal failure through several thermal management features. Packed with more features, the Xeon E52403 Processor is the ideal choice for virtually all of your data demanding or standard enterprise infrastructure applications. This product has been tested and validated on Dell systems. It is supported by Dell Technical Support when used with a Dell system.