Lntel Xeon X5355 2.66GHz/8M/1333Mhz/CPU Equal to LGA775 Core 2 Quad Q6600 CPU Works on LGA775 mainboard no Need Adapter: Amazon.com: Industrial & Scientific
Lot of 2 pcs Intel Xeon X5355 2.66 GHz Socket LGA 771 Quad-Core CPU Processor 735858199285 | eBay