M5270 - 3.40Ghz 800Mhz 1MB Cache PGA478 Intel Pentium 4 550 CPU Processor Sale $249.00 Retail $399.00
T0987 - 2.8Ghz 533Mhz 512K Socket 478 Intel Pentium 4 Northwood CPU Processor Sale $39.00 Retail $139.00