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Windows 7: New ATi card min. recomended PSU

16 Feb 2010   #1

7 x64 | 7 x64
 
 
New ATi card min. recomended PSU

So I'm looking at a 5750 or 5770 to use my system as a HT w 5.1 etc. Looking at a some cards on newegg but not seeing any minimum recomended PSU specs.
Hrmmm.
Ok so ATI has general system requirments located here
ATI Radeon? HD 5970, ATI Radeon? HD 5800 Series, ATI Radeon? 5700 Series, and ATI Radeon? HD 5670 graphics, ATI Radeon? HD 5570 graphics, and ATI Radeon? HD 5450 graphics
Thought the link might be usefull for others.

My System SpecsSystem Spec
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16 Feb 2010   #2

 

I would add that when deciding on a power supply, too much is better that just enough. A PSU that doesn't have to work very hard is going to last longer and generate less heat than one that is operating closer to its capacity. Generally I add 50% to the recommendation.
My System SpecsSystem Spec
16 Feb 2010   #3

 

I have several of the HD5770 cards and this one is really nice and runs considerably cooler than most of them.

Here is a review we have published recently on it.

Sapphire Radeon 5770 Vapor-X
My System SpecsSystem Spec
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17 Feb 2010   #4

Windows 7 ultimate 64 bit / XP Home sp3
 
 

Quote   Quote: Originally Posted by madtownidiot View Post
I would add that when deciding on a power supply, too much is better that just enough. A PSU that doesn't have to work very hard is going to last longer and generate less heat than one that is operating closer to its capacity. Generally I add 50% to the recommendation.
I agree totally with this, your power supply is the core of your system. I would also Like to add a quality power supply. You need check it's efficiency rating and the most important thing Amps on the 12v rail(s) I would suggest a minimum of 28A. You my also want to consider if it can also handle another video card just in case you might consider crossfire at a later date. I would suggest Antec,Corsair and of course OCZ which I use.Most of their models have a 80% or higher efficiency rating. Fro a 5770 they recommend a minimum of 450 w for 1 card and 600 for xfire I would (personally buy) somewhere between a 650 and 750 w supply, of course pending on the above aforementioned. Also remember to take into consideration all other fans and peripherals it will be required to power. Hope this will help. Fabe
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