PSU advice

drunkenmaster said:
But why exactly 2x280gtx's? You could get 2x220gt's to do the same job, or theres a multitude of AMD options that have between 3 and 6 outputs on a single card, from low end to high end, then you've got Matrox for multi-output cards.

This is for a church to run several displays off, 2x280gtx's feels like insane overkill, what else will they be doing, unless you're running intensive Cuda apps then if you're not gaming a high end card is a complete waste.

Likewise a simple low end gpu or pair of gpu's means you'd be both saving 200-300W in power usage which will save money, cost less initially, and allow the use of a quieter, cheaper, lower power PSU.
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The GTX280's because they're a high end card and available relatively cheap (the last one I bought second hand cost me £50). Additionally, we want to make sure the computer will cope with whatever we throw at it and I have a feeling that at some point, the church will use this machine (as it's the highest end machine they'll have) for HD video editing, for which CUDA will be a plus.

Believe me, if I was buying new cards, they'd be getting GT440's or something but as the cards are excellent for their price point in the second hand market, it's a no brainer really.

Regarding PSU, I do see your point, but at least the XFX 850W again, will handle anything chucked at it.
 
I have indeed ordered the XFX 850W. It gives me better piece of mind knowing its a brand new PSU.

Now, I just need to decide what to do about the graphics card. It turns out I can use an ATI card as long as its an eyefinity one.
 
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