works on LGA 775 mainboard no need adapter xeon E5420 Processor 2.5GHz/12M/1333Mhz close to LGA775 Core 2 Quad Q6600 cpu|core 2 quad|2 quadcore 2 quad q6600 - AliExpress
HPE DL360 G5 1U Used Server Price - Router-switch.com
Intel Xeon E5420 2.5GHz/12M/1333Mhz/80W Processor equal to Core 2 Quad Q6600 Q9300 CPU can work LGA 775|xeon e5420|intel xeon e5420intel xeon - AliExpress