dislike 32bit / M$ operatingsystems

need to sync every day about 1 million files from disk to network share. so far no problem, but the sync application eats up massive amounts of ram – in this case a problem because the ibm x3250 w2k3 32bit machine only got 4gb of ram.  32bit – disused. maybe a solution would be to use an os wich isn`t such a colossal turd…