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Old 06-24-08   #1 (permalink)
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Default Requirement for GTX 280 Sli??
Hey fellas..

Towards the end of this week i will be buy all the components needed for my new build (specifications are in my signature below)

I want to buy a power supply that is capable of running another GTX 280 in the future along with the Single im going to buy now..

i had a corsair 750 in mind as it has 4 PCI-E connectors.. will this stand up to it??

if not.. what do you reccomend?
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Old 06-24-08   #2 (permalink)
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It's time to go to a 1000w!
You are gonna need power and there's no reason with this setup to not go 1000w.
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Old 06-24-08   #3 (permalink)
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oh i forgot to mention.. im on a tight budget.. 1000w would be a stretch
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Old 06-24-08   #4 (permalink)
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Quote:
Originally Posted by Crazy geezer View Post
oh i forgot to mention.. im on a tight budget.. 1000w would be a stretch
If you are on a budget, you'd be better off with the Radeon HD 4870. (Unless you already have your motherboard.)
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Old 06-24-08   #5 (permalink)
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that corsair will be plenty. according to VR-Zone GTS280s in SLI only pull 508w at load, and with a quality company like corsair you should be fine.
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Old 06-24-08   #6 (permalink)
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hmm.. well.. are you sure i couldnt do it all with a 750.. i mean ive done the maths and.. two of these beats draw 530W together.. now looking at this table..

http://www.corsairmemory.com/products/tx.aspx

530-720=190... is 190 watts not enough for everything else..
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Old 06-24-08   #7 (permalink)
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800-1000 Watts..
Your 750 should do okay.
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Old 06-25-08   #8 (permalink)
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750w just doesnt sound like it would be enough for sli gtx280's...Im also not an expert in power requirements lol.
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Old 06-25-08   #9 (permalink)
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The max power of draw for one GTX280 is around 230w so 2x is 460w, another 200w for OCed Quad and other components so Corsair 750w should be ok for now. Start to save money and look for a bigger PSU.

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Old 06-25-08   #10 (permalink)
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Quote:
Originally Posted by linskingdom View Post
The max power of draw for one GTX280 is around 230w so 2x is 460w, another 200w for OCed Quad and other components so Corsair 750w should be ok for now. Start to save money and look for a bigger PSU.
Do the GX2'S draw as much power as the gtx280?
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