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Is A CORSAIR ax1200I SUFFICIENT?

Alton_Brown
Level 7

‎03-23-2013 09:24 AM - last edited on ‎03-06-2024 09:41 PM by Community Admin

Hi all. I'm the newbie with a bunch if questions. Maybe you guys can give me some input.
I'm running:
Intel 3930k stock settings
RIVF mb
H100i push/pull setup
32 gb 1866 corsair Dominator Platinum series memory
LG blue ray player
WD 320gb 7200rpm HD
9 120 fans 4 are Corsair HP
Corsair ax1200i
Evga gtx 3 way sli 570

My monitor and cards shut down and the monitor goes in a sleep mode while im gaming. the rest of the pc stays running. You guys had some input on another post I did. There was no solution, so I replaced the MB with the same MB. Same problem happening. I called Evga and they explained that I needed at least a 1500 w psu to run what I have. Do you guys agree?
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Chino
Level 15

‎03-23-2013 09:37 AM

When you say shut down, did inspect them physically to see if the fans are still spinning?
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Alton_Brown
Level 7
In response to Chino

‎03-23-2013 09:47 AM

No I did not, what I can say is that the fan speeds went so low I couldn't hear them anymore, I would assume then that they did shut down fully. If hey fully shut down and no fan is spinning, what does that mean? What should I be looking for. All cards work and tested.
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Granger
Level 10

‎03-23-2013 09:49 AM

On the PSU calculator that I use, it says you need 923w (@85%) and 940w (@100%) So 1200W should be fine
Being a platinum the reviews I have seen put it at 89/90% efficiency (1050W if its total power is 1200w, if it is like the EVGA 1500 (uses 1650w at full load)
So maybe it is the PSU.

Try running with only 2 video cards in your Sli, if you get the same problem, then its not the PSU that is the cause. If the problem goes away with only 2 video cards, that would bring us down to either a PSU problem or an SLi problem.

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Alton_Brown
Level 7
In response to Granger

‎03-23-2013 09:52 AM

It does not happen while running just 2 cards. But on this new build, bf3 has crashed a couple of times with just the 2 cards. I know that could be a number of things.
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DragonClaVV
Level 9

‎03-23-2013 09:54 AM

Are the cards oced? Maybe 1 card cant handle the overclock but that should not shut down the complete pc.
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Alton_Brown
Level 7
In response to DragonClaVV

‎03-23-2013 09:56 AM

No not at all. Never have o'clock them. I'm really starting to feel its the power supply.
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DragonClaVV
Level 9

‎03-23-2013 10:00 AM

Maybe the PSU has a general fail inside. I had many months ago a normal AX1200 with 3x580 and a 2600k oced to 4.5ghz and it had no problems at all to handle that.

Some friends around who have another strong PSU that you can use to test?
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Alton_Brown
Level 7
In response to DragonClaVV

‎03-23-2013 10:06 AM

I don't have anyone else around! I'm the only pc nut around here! Maybe I should call corsair?!
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DragonClaVV
Level 9

‎03-23-2013 10:14 AM

You say with 2 cards it doesnt happen. Maybe switch 1 of the 2 card which are working with your third card just to see if its the video card (Like testing ram, just with videocards now :D)

After that i would contact corsair and ask for their opinion. Cant hurt to do that.
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