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Author Topic: power supply support  (Read 755 times)
soul4soul
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June 09, 2011, 04:56:25 PM
 #1

is a 1000w power supply strong enough for 2x 6990 without burning out?
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colorprint
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June 09, 2011, 05:10:53 PM
 #2

I think it is enough

steamboat
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June 09, 2011, 05:18:42 PM
 #3

depending on the rest of your system it should be okay, though i recommend bumping up to a 1200w to lower the load % on your psu

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June 09, 2011, 05:19:47 PM
 #4

the most important thing is to buy a high quality and efficient PSU

you don't want something made cheaply, it will explode/catch fire.
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June 09, 2011, 05:23:08 PM
 #5

Dont neccessarily go for the highest rated power output PSU. The reason being that peak output can be very different to normal output. You would be better off buying a lower rated peak output model at the same price because it would be more effecient.

 For example a $100 PSU rated at 1000w may actually only run at 600w 90% of the time. Whereas a 800w rated model for the same price may run at 700w 90% of the time because it has better tolereances due to better manufacturing and components.

 Of course you should look into what psu your going to buy because this rule does not fit all, you may even find it better to get a decent second hand PSU and save some money but get a better model. Also a more expensive model will be more likely to last longer.

 Just thought I would mention my view...

soul4soul
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June 09, 2011, 05:35:45 PM
 #6

alright thanks guys. i got it figured out now.
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June 09, 2011, 05:52:20 PM
 #7

Dont neccessarily go for the highest rated power output PSU. The reason being that peak output can be very different to normal output. You would be better off buying a lower rated peak output model at the same price because it would be more effecient.

 For example a $100 PSU rated at 1000w may actually only run at 600w 90% of the time. Whereas a 800w rated model for the same price may run at 700w 90% of the time because it has better tolereances due to better manufacturing and components.

 Of course you should look into what psu your going to buy because this rule does not fit all, you may even find it better to get a decent second hand PSU and save some money but get a better model. Also a more expensive model will be more likely to last longer.

 Just thought I would mention my view...

dont ever buy a PSU that isn't 80 plus certified. the 80 means at it's worst it will operate at or above 80% efficiency

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