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How do you hook up 3 video cards on a AX850?

post #1 of 7
Thread Starter 
Just for future reference... how would you go about safely adding the extra pcie connectors needed for 3 video cards? Unless i am missing something.. the ax850 only came with 4x6+2 pcie leads.

What type of cable/adapter will i need? and will it be safe to overclock the card using the adapter? Just afraid it won't have enough to power a card that runs on the adapter.

(and i know that it probably won't be enough for 3x580s, but it's not for me... my friend is paying me some cash to build him a computer which will have 3x6970s) I think the ax850 is enough
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post #2 of 7
The AX850 has enough power for that, but he must never overclock them or else he may run out of power very quickly. I think Phaedrus2129 told me that the 6900 series consumes much more power when overclocked.

Anyway, it's absolutely safe to use the adapter that comes with graphics cards. The AX850 is a flagship product, so there are no worries.
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post #3 of 7
The video cards should've came with those 8-pin to 6-pin adapters and 6-pin to molex adapters. A combination of those should work. Although AX850 can handle 3x 580s, I'm really not sure about overclocking. It may not be able to handle that much. However, there are some fairly good 1kW units for around the same money Corsair is asking for the AX850.
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post #4 of 7
Quote:
Originally Posted by NuclearCrap View Post
The video cards should've came with those 8-pin to 6-pin adapters and 6-pin to molex adapters. A combination of those should work. Although AX850 can handle 3x 580s, I'm really not sure about overclocking. It may not be able to handle that much. However, there are some fairly good 1kW units for around the same money Corsair is asking for the AX850.
Three 6970s.
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post #5 of 7
Thread Starter 
thanks guys... i never actually look at the accessories that come with the cards lol, but i remember only getting one 8 pin to molex adapter for the cards... i gotta check.

But it will be safe to use the molex adapter for the third card? the molex can give enough volts/current?

and yes... 3x6970... not for me, but for a friend... i don't want him to have anything get messed up because of me
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post #6 of 7
Quote:
Originally Posted by badatgames18 View Post
thanks guys... i never actually look at the accessories that come with the card lol, but i remember only getting one 8 pin to molex adapter for my cards... i gotta check.

But it will be safe to use the molex adapter for the third card? the molex can give enough volts/current?
Yes. Although, it's ugly.
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post #7 of 7
id be real careful with 3, depending on the rest of the system especially. If he touches the power cap or volts it will probably be too much

with my system i can max my ax850 with just 2 6970s with the power cap at +20% and the gpus overclocked

I want to run 3 myself but i will upgrade to the AX1200 first
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