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What is a good PSU to run 3 way SLI gtx 260?

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January 18, 2010 12:35:27 AM

what is a good PSU for GTX 260 SSC 3 way SLI? thanks for your help!
a b B Homebuilt system
January 18, 2010 12:57:42 AM

You can always run with the Corsair 1000HX, which is more than enough power.

What is your current PSU? ... Any highend 850w + PSU should be able to run Tri-SLI with the use of PCI-e adpaters, if need be.
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January 18, 2010 1:39:14 AM

tecmo34 said:
You can always run with the Corsair 1000HX, which is more than enough power.

What is your current PSU? ... Any highend 850w + PSU should be able to run Tri-SLI with the use of PCI-e adpaters, if need be.



i have xion 800w, and ia run gtx 260 ssc 2 way SLI and i going to buy 3rd
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a b B Homebuilt system
January 18, 2010 7:21:54 AM

I would not trust your system to Zion 800w PSU for Tri-SLI. You will need to upgrade your PSU to be able to support it. Zion's are a Tier 4 and the two we've pointed out are Tier 1's (or 2 depending on who ranks :)  ).
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a b B Homebuilt system
January 18, 2010 7:25:50 AM

Are these 260s already bought? If not, you may want to consider the HD Radeon 5970 for a bit less money which will perform better (especially if tri-SLI doesn't scale that well in some instances) and leave the option for future expansion open.
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January 18, 2010 4:46:57 PM

Yes. You might consider getting one newer card for less money.. Also.. if you want to sell one of your 260 SSC cards I would be interested. Right now I only have one, would love to run two.
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January 18, 2010 10:42:21 PM

tecmo34 said:
I would not trust your system to Zion 800w PSU for Tri-SLI. You will need to upgrade your PSU to be able to support it. Zion's are a Tier 4 and the two we've pointed out are Tier 1's (or 2 depending on who ranks :)  ).



i know than XION Supernova XON-800R14N 800W is not good SPU, but i got lucky, every thing work fine ( 2 EVGA GTX 260 SSC, Intel Core 2 Quad Q9450, 8 fans, EVGA 780i, G.SKILL 4GB)
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January 18, 2010 10:50:09 PM

cah027 said:
Yes. You might consider getting one newer card for less money.. Also.. if you want to sell one of your 260 SSC cards I would be interested. Right now I only have one, would love to run two.



I would be interested if you want to sell your 260 SSC :)  , right now is very hard to fined this card for a normal price, every sellers give very high price like over 300$, i bought my 2nd card from CHINA :)  , what is your score on 3D Mark Vantage (high) for your GTX 260 SSC?
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a b B Homebuilt system
January 18, 2010 11:12:44 PM

matvey said:
i know than XION Supernova XON-800R14N 800W is not good SPU, but i got lucky, every thing work fine ( 2 EVGA GTX 260 SSC, Intel Core 2 Quad Q9450, 8 fans, EVGA 780i, G.SKILL 4GB)

You have been luck... :D  Xion PSU and a Nvidia Chipset MOBO... It is like playing with fire and not getting burned. [:mousemonkey:5]

I get 22,000 on 3DMark Vantage at default settings with my dual GTX260 Core 216 SC GPU's.
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January 18, 2010 11:41:50 PM

tecmo34 said:
You have been luck... :D  Xion PSU and a Nvidia Chipset MOBO... It is like playing with fire and not getting burned. [:mousemonkey:5]

I get 22,000 on 3DMark Vantage at default settings with my dual GTX260 Core 216 SC GPU's.





3DMark Vantage at default settings, you mean performance mode?
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a b B Homebuilt system
January 18, 2010 11:49:03 PM

Yes... Performance Mode
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January 18, 2010 11:52:50 PM

tecmo34 said:
Yes... Performance Mode



i didn't run at performance mode, i was using a high settings, i got 14000. if be honest i think it is kind of low. ( just GPU score)
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a b B Homebuilt system
January 19, 2010 12:05:47 AM

My score is the total score at 22,000. My GPU only score is 18,675 on Performance.
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January 19, 2010 12:13:40 AM

tecmo34 said:
My score is the total score at 22,000. My GPU only score is 18,675 on Performance.




ok i gonna run 3d mark in performance right now. :) 
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a b B Homebuilt system
January 19, 2010 12:46:57 AM

Not to bad... :)  They are pretty much in line with my GTX260 SC cards.

If you get a third card, send me a PM of your score. I thought about adding a third in my system but never made the "leap".
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January 19, 2010 12:51:59 AM

tecmo34 said:
Not to bad... :)  They are pretty much in line with my GTX260 SC cards.

If you get a third card, send me a PM of your score. I thought about adding a third in my system but never made the "leap".



so, am i lucky :)  with my XION? how do you think, am i going to be fine with Corsair 1000HX on 3 way SLI?
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January 19, 2010 1:14:17 AM

matvey said:
I would be interested if you want to sell your 260 SSC :)  , right now is very hard to fined this card for a normal price, every sellers give very high price like over 300$, i bought my 2nd card from CHINA :)  , what is your score on 3D Mark Vantage (high) for your GTX 260 SSC?



I dont know what it is on high but on the default it was 12095 or something like that.



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January 19, 2010 1:19:00 AM

cah027 said:
I dont know what it is on high but on the default it was 12095 or something like that.



here is my results GPU score is 18826 and total is 21618 ( at performance settings)

http://service.futuremark.com/home.action

probably you read this already
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Best solution

a b B Homebuilt system
January 19, 2010 1:34:24 AM

matvey said:
so, am i lucky :)  with my XION? how do you think, am i going to be fine with Corsair 1000HX on 3 way SLI?

"Back on Topic" :)  You will be fine running three 260's with the Corsair 1000HX.
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January 19, 2010 12:18:07 PM

matvey said:
here is my results GPU score is 18826 and total is 21618 ( at performance settings)

http://service.futuremark.com/home.action

probably you read this already



Sent you a message.

I would get the Corsair 1000watt to if I were you. I have 2 Corsair PSU's and love them. I have an 850 for my i7 and will eventually go up to 2 way sli (maybe) I am sure it would even handle 3way but would get a 1000Watt to be sure.
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January 21, 2010 1:00:42 AM

Best answer selected by matvey.
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February 8, 2010 12:24:37 AM

I hate to disagree but I just had to replace a Corsair HX1000W because I did not do a power calculation beforehand and figured it would be more than enough to handle an Asus P6T6 WS Revolution, Core i7 Extreme, 2 HDDs, a single DVD drive, 6 case fans (nothing fancy or very power consuming (5 x 180mm, 1 x 220mm), AND three (3) BFG Geforce OC 275 GTX's. I use a modified Promethia Mach II phase change unit for cooling which has its own power supply.

When I ran a Corsair HX1000W the MB would light up for a second or two and quit, period. The Corsair was and is running fine as I have tested it at length with an Antec PSU meter with no variations or spikes. I figured it had to either be a courrupt BIOS or a PSU issue and ran a power need calculation at: http://www.antec.outervision.com/ (I have a personal preference for this calculator over Nvidia's simply because it is more comprehensive) and learned that I required a minimum PSU of 1,250w. I had a 1,600w Ultra X3 (yes not 1,500 and I have no idea why they changed) modular I had been using when I was running 4870 X2's (which I regret giving up) but switched as it only has two PCI-E 6 pin plugs and liked the Corsair configuration. Bottom line when I installed the X3 the board began to post.

I took the liberty of running the power requirement for three 260's through Nvidia Sli Zone [http://www.slizone.com/object/slizone_build_psu.html] which basically puts your need at at least 1,200w. The majority of PSU's recommended are 1,200w (even above). While there is a 950w listed as well as a 1,000w or two, I believe, but am no electrical expert, that they are likely unique as the ones I have any knowledge of listed by Nvidia in the lower range are unique designs. For instance they list the Enermax Revolution 85+ 950w PSU as acceptable for 3-way 260's; however all of this series of Enermax cards output more than rated. For instance the 950w Revolution will output 1,140watts (enough difference to run a card most of the time).

Long story short check with the experts and my rule of thumb is to add a few hundred watts as I don't know about you but when a good 3-way cooling solution comes around I will be the first in line. GOOD LUCK

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February 10, 2010 2:16:34 AM

tri sli is not even worth it, just get a gtx 295 if you cant wait for fermi or get a 5970
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February 10, 2010 2:23:10 AM

I have to admit I can't argue that one.
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February 14, 2010 5:02:55 AM

i got Antec TruePower Quattro 1200W and it runs great.
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April 15, 2010 12:17:29 AM

tecmo34 said:
Not to bad... :)  They are pretty much in line with my GTX260 SC cards.

If you get a third card, send me a PM of your score. I thought about adding a third in my system but never made the "leap".


hey man,, i got 3rd gtx 260 ssc and here is my results 3D Mark Vantage, performance mode GPU - 26323; CPU - 49557; total - 29818
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a b B Homebuilt system
April 15, 2010 12:31:28 AM

Impressive Scores...

I get roughly 22,000 with two, so maybe it is worth it :)  However, I'll wait for the next round from Nvidia & ATI before upgrading. (current system runs everything I do at levels I want).
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April 15, 2010 12:56:43 AM

tecmo34 said:
Impressive Scores...

I get roughly 22,000 with two, so maybe it is worth it :)  However, I'll wait for the next round from Nvidia & ATI before upgrading. (current system runs everything I do at levels I want).



the GTX 480 is not what i expected. i will wait a year. will see what NVIDIA going to make.
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