Which Power supply will do better?

Which Power supply will do better?


And if the rosewill is better will it power up this card?
http://www.newegg.com/Product/Product.aspx?Item=N82E16814161268 and a Q9550?

Or if the cooler master is better will it power up this card?
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102770 and a Q9550?
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More about which power supply better
  1. well,, the Rosewill will do better on both cards, but i would not suggest either. rosewill is more a bugget company and collermaster doesn't make good PSU's.
    corsair, PC power and cooling, Seasonic, Antec (earthwatts series) thermaltake (though power series) PSU's are best.
  2. Given what you are spending on a system, skimping on the power supply is not going to make you happy. Consider these choices which are much better built and will power your system just fine.

    CORSAIR CMPSU-650TX 650W $100-30+ship 7/04/09

    SeaSonic S12 II SS-500GB 500W $78-10+Ship 7/04/09
  3. I am powering a similar system (1 GB 4870 and two hard drives) with a 550 watt Antec. So, yes, a good 500 - 650 watt PSU will do nicely. If you know that you are not going to upgrade much, go for the lower end of the range. If you think you may upgrade, go for the upper end of the range.
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