Retail Processor: AMD Opteron™ Processor Model Number: 146 Frequency (GHz): 2.0 L2 Cache Size: 1 MB L2 Cache Speed 2.0GHz Socket: 939 Stepping: E4 Manufacturing Tech (CMOS): .09 micron SOI Core Voltage 1.35 V/1.4 V Case Temperature 49° C to 65° C Wattage (W): 67.0 Integrated Memory Controller (GHz): 2.0 Stepping E4 HyperTransport™ Technology Speed: 1MHz Amperage: 47.5 A Warranty Length: Three years manufacturer warranty. Coverage: Covers repair or replacement of the product. Provider: AMD