Xeon E5450 Processor 3.0GHz 12M 1333Mhz works on lga 775 mainboard no need adapter
File:Intel Xeon E5450 (with 775 mod).png - Wikipedia
Amazon.com: Xeon E5450 SLANQ CO Quad-Core Processor Close to LGA775 CPU, Works on LGA 775 mainboard no Need Adapter slanq Only Send CO, : Industrial & Scientific