AMD Sempron Processor 3100+* 64bit 754pins, OEM
Specifications:

Mfr Part Number: SDA3100AIO3BX
Process Type: AMD Sempron 3100+*
Frequence: 1800MHz
FSB: 1600MHz
Cache: 256KB
Process: 90nm
Socket: 754
Stepping: E6
Package: OEM

*This model number indicates relative software performance among AMD processors