... 100% tested original used cpu High quality with best prices Warranty for 1 year Safe payment and fast delivery P4 (630) (3.0GHz ... 8GHz 1M,800MHz,775pin,90nm)1 P4 (530) (3.0GHz 1M,800MHz,775pin,90nm)2 P4 (531) (3.0GHz 1M, ... 800MHz,775pin,90nm)3 P4 (540) (3.2GHz 1M, ... 800MHz,775pin,90nm)4 P4 (541) (3.2GHz 1M, ...