As per this forum thread and according to the moderator [NAME]-Justin C that CPU will work with your MB.
hi guysi would like to ask about upgrading my t3500 dell cpu my desktop model:Precision T3500i checked on dell website and their pdf manual about my pc[URL] Type Intel® Xeon® Processor 3500 seriesIntel Xeon Processor 5500 seriesi planned to get x5690 for upgrading my T3500can my mobo use x5690?
Precision T3500 : Upgrade my processor to x5690 is that possible