Odair o PowerEdge 840 suporta esses processadores abaixo:

 

Single Quad-Core Intel®  Xeon®  3200 series processors

X3230, 2.66GHz, 1066MHz front side bus, 2x4MB cache

X3220, 2.40GHz, 1066MHz front side bus, 2x4MB cache

X3210, 2.13GHz, 1066MHz front side bus 2x4MB cache

Single Dual-Core Intel® Xeon® 3000 Sequence

3070, 2.66GHz, 1066MHz front side bus, 4MB cache

3060, 2.40GHz, 1066MHz front side bus, 4MB cache

3050, 2.13GHz, 1066MHz front side bus, 2MB cache

3040, 1.86GHz, 1066MHz front side bus, 2MB cache

Single Intel®  Pentium®  Dual-Core

E2160, 1.8GHz, 800MHz front side bus, 1MB cache

Single Intel®  Celeron® 440, 2.0GHz, 800MHz front side bus, 512K cache

 

Lembrando que onde se le: "Single" na realidade e pelo fato da maquina suportar apenas 1 processador.