They both are 350 w
My PC is hp pavilion slimline s5710f
http://www.frys.com/product/6398191?site=sr:SEARCH:MAIN_RSLT_PG
http://www.frys.com/product/6398061?site=sr:SEARCH:MAIN_RSLT_PG
My PC is hp pavilion slimline s5710f
http://www.frys.com/product/6398191?site=sr:SEARCH:MAIN_RSLT_PG
http://www.frys.com/product/6398061?site=sr:SEARCH:MAIN_RSLT_PG