Recent content by eric_667

If you can, monitor your motherboard voltages and look for any dips. Your setup may be pushing the limits of your 650 watt PSU. Once both those cards come out of 2D downclocked mode and spin up to start handling 3D it may be exceeding the capacity of your PSU. Another issue that may be present...

You may want to take a look at the article here on Tom's about the 4830 http://www.tomshardware.com/reviews/4830-radeon-crossfire,2098.html Otherwise if you can pinch the few extra dollars and break your price set of sub $125 you may want to look into the 4850. I've seen the card for sub $140...