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EVGA SR-2 Classified dual xeon mobo

post #1 of 12
Thread Starter 
Ok so fantasy build here. Lets say you could max out the ram at 48gb, run quad 580s, and dual cpus.

What in the hell kind of psu would power all that? I can't see even a 1500w psu powering all that.

Anyone here have it? It would be a crazy build. And how stable could a board be with that many sticks of ram running. It seems like it would be a nightmare even if you didn't OC.

(EDIT) Ahhh I didn't see the psu that is supposed to be paired with it.

EVGA Classified SR-2 1200 Watt Continuous Power. Still, doesn't seem like enough for a board that theoretically could power four gtx 580s
Edited by dlerch - 7/26/11 at 3:56pm
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post #2 of 12
dual TX1200 from corsair
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post #3 of 12
Thread Starter 
Interesting, you couldn't even run dual 1200s on the same circuit. Most outlets can take 2000w max before a breaker trips, if it is new and proper. Seems like you would want some kind of ballast or a 20amp circuit.
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post #4 of 12
Yeah most peoples with such build have at least dual 1200W PSU's or even more. Some guy on youtube which I forgot what name he had used a Kill-A-Wat to measure the juice taken from the wall during Prime95 + Furmark and it was something like 2600-2700W but he had some rather inefficient PSU's (same model as mine :/ but 1200W) which are like 85% at 60% load and something like 78% at 100% (yeah I know, not even 80+ but it's still a solid PSU). His rig was an SR-2 with dual X5680s and four-way 480s.

Regarding the previous post, the guy I'm talking about had to change his breaker when he first tried this experiment...
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post #5 of 12
true, you would have to run an extension cord to a different circuit, or have a dedicated box put in with a 2 pole industrial breaker. It would have be tapped directly at the service line of the house. Ive done this for home theaters
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post #6 of 12
Thread Starter 
Yeah I do tie ins all the time on commercials and film shoots I work on. A breakout box could work or even some type of ballast maybe. Regardless you need serious distro and the money to pay a high electric bill. :-)
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post #7 of 12
i couldn't even imagine the bill. I see a ride in the bill if i fold on all my clients consistently through the month
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post #8 of 12
Quote:
Originally Posted by dlerch View Post
Interesting, you couldn't even run dual 1200s on the same circuit. Most outlets can take 2000w max before a breaker trips, if it is new and proper. Seems like you would want some kind of ballast or a 20amp circuit.
20amp circuit and you are good. this guy was having issues but got it fixed by adding 2 of the 20amp brakers i think

fast fwd to about 7:10 (he bables for about 7min anout FRAPS not working with 12cores and 24threads) lol wish i had that problem

here is another vid he made and remember these are dual 1200W PSUs with power hungry GTX480s in quad sli
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post #9 of 12
Thread Starter 
That guy has more money than sense, I knew just from bouncing the idea around in my head that you would need at least one or two 20amp circuits to handle that.

Also his psus may be inefficient. And EVGA may not count on someone trying to run quads with a single psu.

Very temptig to build something like that, I may do it for work one day. Just to have a beast editing system. Maybe even put snow leopard on it. Too expensive though for a personal rig.
Edited by dlerch - 7/26/11 at 6:48pm
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post #10 of 12
As soon as I found out he had two 1200watt psu's going I knew he'd need at least 20amps. Sure wish I had that kind of money!

Doesn't matter. The i5 at 4.5ghz smashes his boot time. I don't even have a ssd.
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