HP Pentium Dual-Core G850, part 655973-001 is a desktop processor listed for selected HP Pro computers. It is intended for use in HP 3400 and 3500 models, giving a precise reference when replacing a processor in a supported system.
The G850 runs at 2.9 GHz and has 3 MB of L3 cache. These confirmed specifications identify this part among other processors in the same families. HP’s parts map notes that processors include thermal material.
This is a specific replacement part listing, not a general compatibility claim for other computers. The supported HP model families and part number are included here to describe the documented fit.