Intel Celeron D 326 2.53GHz 533MHz 256KB Socket 775 CPU Intel Celeron D 326 2.53 GHz 533 MHz 256 KB Socket 775 CPU General Features: Intel Celeron D Processor Family 326 2.53 GHz CPU Speed 533 MHz Bus Speed 256 KB L2 Cache Socket 775 1.25 - 1.4V VID Voltage Range Intel EM64T Execute Disable Bit