The Celeron 445 1.86 GHz processor from Dell is designed to enhance the performance and the speed of your server. This processor with 1066 MHz bus speed and an integrated 512 KB L2 cache gives the processor core faster access to larger amounts of the data used most often. With all these features and more, the Celeron 445 1.86 GHz processor delivers power, performance and flexibility you need, providing you the platform to work with simultaneous applications seamlessly.