for server i run tripple core amd 4 gigs ocz platinum ,2 ,1 tb hard drives, 500 watt green power supply , i also use green drives by western digital it nevern shuts off it uses little to no power, sell your old server and buy newer they use less power and run 3x faster ...i had 2 old servers the waste power running 2 power supplies and never touch the speed of new computer .cost 400-500 bucks do it yourself save your cash !