Intel Xeon Processor X5355 processor CPU SLAEG GO (8M Cache, 2.66 GHz, 1333 MHz FSB) works on LGA775 mainboard no need adapter
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