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Is 1200 watts enough?

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  • Homebuilt
  • Systems
Last response: in Systems
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July 21, 2010 8:34:07 PM

since i'm in the process of building a soul chrushing and dream shatering monstrosity of a computer, i'm wondering if the Antec TPQ 1200 watt psu i recently got can handle the finished product?

this destroyer of creation will be packing 3 gtx480s in 3 way sli, 1 9800gt 1gb for PhysX, 24gb ram, possibly an intel hex-core, and the whole thing will be overclocked and liquid cooled.

so, my question is, is 1200 enough? and if it's not, just what on planet earth is?

More about : 1200 watts

Anonymous
July 21, 2010 8:52:57 PM

Yes it will be enough. The way I worked that out is by the way that I've never seen a PSU more than 1200W, and there are computers out there as powerful as the one you're going to build so it must be enough :) 
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July 21, 2010 8:55:03 PM

i figured as much. i worked out about ~1150 watt peak, but with this sort of insanity warrents some second and third opinions, you know?
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a b B Homebuilt system
July 21, 2010 9:01:30 PM

1200 PSU should be able to handle your setup just fine.

Can I ask what benefit do you really think you'll get with running a 9800GT for Physics with Tri-SLI GTX 480's? You don't need an extra card with that setup. Also, 24GB will provide NO BENEFIT gaming wise. It will only help in heavy heavy CAD / HD Video editing.
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July 21, 2010 9:04:33 PM

i'm using it as a second sorce of income from a friend of mine who does a *!&% ton of video editing. and i want the thing to last me for at least 8 years.
as for the 9800, i didn't know if i was going to go all out with liquid cooling, and when i got it the 480's hadn't come out yet, so i wanted a single slot card.

out of curiosity, what would you sugjest for a ded. PhysX in that setup?
cause at this point, i'm kinda at the "why the f**k not?" stage of building.
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a b B Homebuilt system
July 21, 2010 10:41:32 PM

If you are going all the "F" out, plus you already have it than go ahead and use it. I was just saying running it as a dedicated Physics card will provide little or no help. With Tri-SLI there is no need to use it, since the setup will be more than powerful enough!!
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July 22, 2010 1:24:45 AM

Anonymous said:
Yes it will be enough. The way I worked that out is by the way that I've never seen a PSU more than 1200W, and there are computers out there as powerful as the one you're going to build so it must be enough :) 

Never more than 1200w? How about Silverstone's 1500w unit? Ridiculous, of course, but that's the point with this kind of build!
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a b B Homebuilt system
July 22, 2010 1:35:13 AM

Silverstone is one of the best PSU out... Period. If you are going for "over the top", you cannot go wrong with it :) 
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a b B Homebuilt system
July 22, 2010 1:48:58 AM

Not to rain on your parade, but no computer is really going to be viable for 8 years. It may still run at that point, but it's likely to be very low end by then.
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a b B Homebuilt system
July 22, 2010 2:25:29 AM

Good point :) 

If anything might last that long and still perform at some level, the i7-980X is currently such a CPU.
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July 22, 2010 3:38:20 AM

i know it wont run well after 8 years. i still have an old P4 back from 2000 that proves that point. i just want it to run for that long. the longer i can keep it running the more i can get out of it right?

i kinda figured that the 9800 wouldn't do that much, but every bit counts, and there's always the "hey! look what i got!" factor.

...that factor has a decidedly large role in this particular build.

as for the siverstone, i saw it after i bought the antec. it does look rediculously...awesome. that's really all there is to say. i wish i new of it before i bought the TPQ. would make cable management a breeze. but i didn't, and i do like my antec 1200.
...and the 902 that it's in right now -don't judge-
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a b B Homebuilt system
July 22, 2010 4:30:59 AM

No judging on my part!!! I love my Antec 1200 :) 

I think my next case might be the Silverstone RV02, unless RV03 is out and looks better. I really like that case. However, the new Antec Dark Fleet has grown on me some :) 
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July 22, 2010 5:30:20 AM

I'd love to see what your electrical bill will look like.
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a b B Homebuilt system
July 22, 2010 10:35:48 AM

Enermax are better PSU's above 1KW
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July 22, 2010 1:07:51 PM

Holy crap.... 3x480s?! That seems a bit excessive even for your purposes... By the time you will need the second and third 480 I think there will be GeForce 6xx or higher out... I feel like a 480 will be good until the next full release of DX comes out... Im still using a GTX 280 Superclocked and I max Metro 2033, BFBC2 (minus DX11 of course) I would say skip the 2nd and 3rd (and 9800) GPUs and go buy a car or something lol
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July 22, 2010 2:40:20 PM

@linuxhero27: i wont. =[ but that's not the point.

@Griffolion: what're the specs on 'em? i might use them in my next build

@speter800: considering i'm overclocking the 480's to about 900 core clock and the processor clock to ~2000, (maybe even more if i get EVGA's lifetime warrenty)
it's going to be quite a while before these things will become useless, considering at that point one would beat out a reference 5970 at almost everything.
and i don't need to get a car because i already have one.
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July 23, 2010 2:13:06 PM

What I meant was that the 480 more than likely won't support DX12. it will probably support DX11 point releases. If you're going to overclock that much I definately don't think you need 3 480s lol. I guess I'm just jealous. I made a beast a few years ago with a top Core 2 Quad, 4 GB of 1066 DDR2 and a GTX280 and it's already WAY outdated (but not obsolete, I still run Metro 2033 maxxed minus DX11)
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July 24, 2010 2:17:52 PM

i understand. although, considering that nvidia used the G92 core for the last 2 generations of cards and they supported DX9 and DX10, i'm guessing that this core will be around for a while.

that, and it'll take a little time before i get the cards due to bills and such that the "unlocked" fermi might come out before i manage to buy anything.

if that's the case, i'll just get those instead.
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August 3, 2010 2:17:25 AM

Best answer selected by kio54.
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