Socket 423 to Socket 478 Upgrade Adapter@ 2004/06/10
The top speed is dependent upon the front side bus of your system, as shown below.
400 MHz fsb system: Top speed 3.0 GHz
533 MHz fsb system: Top speed 3.06 Ghz
This product simply replaces your current processor with Intel’s next generation of technology. Pull the old processor out, put our upgrade in, and you are ready to go. Not sure if the PL-P4/N is right for you? Click on the InSPECS link to scan your system and receive an upgrade recommendation.