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3x 5770 + 2600k =?w

post #1 of 31
Thread Starter 
How many watts would I need for three ATI 5770's and an Intel 2600K?
I read this and it recommended 800W, but that seem too much. Would a decent 650W work?
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post #2 of 31
Im sure you could. I dont like to HOPE I have enough power. All that great hardware why not be 100% sure. 800w wont be much more than a 650w
post #3 of 31
a 650-700W psu will do just fine, just make sure its a quality one.
    
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post #4 of 31
personally would make it at least 750W, i just wouldn't quite trust a 650W for it.
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post #5 of 31
650w is enough. 5770s draw nothing, like 90w max i think.
    
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post #6 of 31
Thread Starter 
Alright, well I found a Silverstone 700W, 300W for the 5770's, 200W for the processor, 100W for anything else. 100W left over.
But I couldn't find any reviews on the Silverstone, is it good?
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post #7 of 31
A 650 will be plenty.
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post #8 of 31
Quote:
Originally Posted by eseb1 View Post
Alright, well I found a Silverstone 700W, 300W for the 5770's, 200W for the processor, 100W for anything else. 100W left over.
But I couldn't find any reviews on the Silverstone, is it good?
Just to let you know, you cant think of it as being so simple. You dont get 100% of the power that is drawn from the wall. You probably heard of 80+, 80+ bronze, silver, gold, and platinum. What they stand for is efficiency standards. Basically, a PSU that is certified 80+ means it will be at least 80% efficient during load. With the standards going up, the average efficiency increases. Anyways, you get the picture; if not, research it.

However, 700 watts will be enough. ATI cards are relatively efficient and require minimal power. Only 1 6pic PCIe power is required for each 5770 with will add up to 100 each, including the PCIe slot. And thats if they take the maximum they possibly could. So look for a 700-800 watt PSU because when you upgrade, your most likely going to stick to CFX or SLi
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post #9 of 31
Thread Starter 
But is the one I selected a good model? I can't find any reviews on it.
And I don't really care about the efficiency, lol.
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post #10 of 31
550w could do three 5770's.
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