The X5270 3.5GHz processor from Dell is designed to enhance the performance and the speed of your system. This processor features 1333MHz bus speed and an integrated 6MB cache gives the processor core faster access to larger amount of data used most often. Packed with more features, the X5270 3.5GHz 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.