INTEL XEON X5492 3.4GHz/12M/1600Mhz/CPU equal to LGA775 Core 2 Quad Q9650 Q9550 CPU ,works on LGA775 mainboard (no need adapter) - Price history & Review | AliExpress Seller - JSF CPU Technologies
Amazon.com: Original Intel Xeon E5450 3.0GHz/12M/1333 Processor Close to LGA771 Core 2 Quad Q9650 CPU (Give Two 771 to 775 Adapters) : Electronics
Amazon.com: Intel Xeon E5472 3.0GHz/12M/1600 Processor Close to LGA771 Core 2 Quad Q9550 CPU (Give Two 771 to 775 Adapters) : Electronics
lntel Xeon L5420 2.5GHz/12M/1333Mhz/CPU equal to LGA775 Core 2 Quad Q9300 CPU,works on LGA775 mainboard no need adapter - AliExpress Computer & Office