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How big of a power supply do I need?

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November 27, 2011 2:39:22 PM

Hello, Im building a somewhat low cost computer, I'm getting the following and I need to know how many watts my PS needs to be.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

I was planning on snagging this 1000watt supply while its cheap but thats overkill and if I can save some more money by going with a 550 watt that would be swell.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Also please tell me if something is not compatible!

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a c 243 ) Power supply
November 27, 2011 2:45:51 PM

Why are you buying the top of the line cpu to put in a low cost computer ?
A 2500K would save you around $100 and the performance difference would be practically unnoticeable, unless for some reason you need Hyper-threading.

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November 27, 2011 2:47:26 PM

delluser1 said:
Why are you buying the top of the line cpu to put in a low cost computer ?
A 2500K would save you around $100 and the performance difference would be practically unnoticeable, unless for some reason you need Hyper-threading.


This is a starter comp I will slowly keep upgrading the components so I might as well start off with a high end processor.
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November 27, 2011 3:05:17 PM

You have a tri-channel memory kit selected with a dual channel board. You have the right board for your processor, but the wrong ram. It is also a crossfire board only from what I have seen at a quick glance, this means if you go more than one GPU you will only be able to use ATI cards, not Nvidia.

You need to pick one of these 1.5v RAM kits to be compatible:
http://www.newegg.com/Product/ProductList.aspx?Submit=E...
I recommend G.skill RAM based on my own experiences. They also have a kit in blue that matches the ASUS board. :) 

As for your power supply we really need to know what you will be using for a video card(s) before we know the answer to that because that is what dictates what size you will need.
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November 27, 2011 3:14:26 PM

skrimus said:
This is a starter comp I will slowly keep upgrading the components so I might as well start off with a high end processor.



Just so you know, the 2500k performs practically identical in gaming applications as the 2600k and it is $100 you can spend elsewhere right now. If on any kind of a budget at all it doesn't make sense to go the 2600k unless you also use it for photoshop/CAD or some other highly threaded applications or just want to "brag".
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November 27, 2011 3:17:12 PM

Energy96 said:
You have a tri-channel memory kit selected with a dual channel board. You have the right board for your processor, but the wrong ram. It is also a crossfire board only from what I have seen at a quick glance, this means if you go more than one GPU you will only be able to use ATI cards, not Nvidia.

You need to pick one of these 1.5v RAM kits to be compatible:
http://www.newegg.com/Product/ProductList.aspx?Submit=E...

As for your power supply we really need to know what you will be using for a video card(s) before we know the answer to that because that is what dictates what size you will need.


I did not notice that it was a crossfire board I'm an idiot, the Card I will be using is an Nvidia geforce 550 ti.
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November 27, 2011 3:23:31 PM

Yea, pick a comparable SLI board or one that can do either then just in case you decide to add another card later for SLI.

I would recommend a 650w or more PSU to give you headroom for SLI, you can do with less if you won't ever SLI. If there is any chance you will SLI something like GTX 580's I would go to 800w or so.

Stick with a good brand like Enermax or Corsair and get at least a 80+ Bronze certified. Don't skimp too much on the PSU it is actually very important to deliver clean stable power to your system.
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November 27, 2011 3:29:51 PM

Best answer selected by skrimus.
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