Intel Xeon E5440 Processor(2.83GHz/12M/1333) Close to LGA775 Core 2 Quad Q9650 cpuworks (LGA 775 mainboard no Need Adapter): Amazon.com: Industrial & Scientific
Best Buy: Intel Xeon UP 2.66 GHz Processor Socket T LGA-775 X3330
LGA 775 - Wikipedia
Intel Xeon X5470 SLBBF Processor(3.33GHz/12M/1333) Equal to Core 2 Quad Q9750 cpuworks (LGA 775 mainboard no Need Adapter): Amazon.com: Industrial & Scientific
Core2Duo E6600 to Xeon X5450 - Socket LGA 771 to 775 MOD - YouTube
Amazon.com: E5450 E5450 Intel Xeon SLANQ Or SLBBM Quad-Core 3.0GHz 12MB 1333MHz Socket 775 Works On LGA 775 Mainboard No Need Adapter : Everything Else