Boxed FC-LGA4 533FSB 2.8GHz/1M Pentium-4 511 with 3-year warranty $105.00 Boxed FC-LGA4 800FSB 3.4GHz/1M Pentium-4 551 EM64T w/3-year warranty $269.00 Boxed FC-LGA4 800FSB 3.2GHz/1M Pentium-4 541 HT & EM64T w/3-year warranty $199.00 Box FC-LGA4 800FSB 3.0GHz/1MB Pentium-4 531 HT& EM64T w/3-year warranty $189.00