Comments TheHappyFriar wrote on 3/8/2010, 6:46 AM strange... I know repeated playback seems to buffer the stuff to memory but it's always increased playback, not decreased it. :? rmack350 wrote on 3/8/2010, 9:56 AM That sounds reasonable. you're now playing out of your page file. Turn down your RAM preview setting. Rob Mack LarsHD wrote on 3/8/2010, 11:30 AM . rmack350 wrote on 3/8/2010, 5:42 PM I don't know what you've got the preview RAM set to but given your numbers Vegas gets to a point where there's only 400MB left for the OS and everything else. Are you really sure you need the preview RAM setting so high? 1