Pentium 4 Processor 520 supporting HT Technology 1M Cache, 2.80 GHz, 800 MHz FS Pentium 4 Processor 520 supporting HT ... Technology 1M Cache, 2.80 GHz, 800 MHz FSSpecifications EssentialsStatusEOISLaunch DateQ2'04Processor Number520# of Cores1Clock ... Pentium 4 Processor 520 supporting HT Technology 1M Cache, 2.80 GHz, 800 MHz FS