The Machine is a Dell Precision T5600 Workstation
It is a 0Y56T3 motherboard
BIOS is A04 07/05/2012
It has the x79 chipset
I'd like to get the highest GHz I can, and it doesn't need to be the Ivy Bridge E stuff..
This are supported CPU`s on you T5600
Intel® XEON_8 (E5-2687W, E5-2680, E5-2665, E5-2650)
Intel® Xeon® 6-Core (E5-2667, E5-2630, E5-2620)
Intel® Xeon® Quad Core (E5-2643, E5-2603, E5-2609
The fastest CPU is the E5-2643 - 3.30GHz/4-core/10MB/130W
You know that the prices are killer ....