PIII/550/512/100/S1 SL3FJ IntelŪ PentiumŪ III processor Spec Number sl3fj Processor Frequency 550.00 MHz CPUID String 0673 Package Type S.E.C.C.2 Core Voltage 2.0V Bus Speed 100 MHz Thermal Guideline 30.8W Core Stepping kC0 Thermal Spec 80° C L2 Cache Size 512 KB Manufacturing Technology 0.25 micron L2 Cache Speed 275 MHz Spec Update http://developer.intel.com/design/pentiumiii/documentation.htm Notes The processor hase an L2 cache with a 64 GB address range, and supports ECC. The L2 cache's ECC cannot be disabled. Intel Pentium III 550 MHz CPU/HS/FAN P3550Regular price: $29.99Sale price: $21.99