how can i do quad crossfire with a Sabertooth x79
- Thread starter roty135
- Start date
Solution
- Jun 19, 2011
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- Jun 19, 2011
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maddogfargo
Splendid
- Nov 28, 2006
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Even if the board were not a limiting factor...
If you want to do 4 R9 290's, you are going to need a custom water loop and a 1000w PSU or better. You're talking about MAJOR heat and power specs coming off those cards. You'll easily need 800w just for the GPUs, if not more. You'll also need an overclocked 6 core Intel to even get close to being able to drive all 4 of those GPUs to their full potential, and even then 3 290's is probably the most that CPU could support without bottlenecking.
3 is actually a much better option. It will be better balanced between CPU and GPU powwer. You could get away with an overclocked 4770k, but the CPU will still be the weak link in that chain. Maybe take the money you didn't use for the 4th 290 and put it into the better CPU and cooling?
If you want to do 4 R9 290's, you are going to need a custom water loop and a 1000w PSU or better. You're talking about MAJOR heat and power specs coming off those cards. You'll easily need 800w just for the GPUs, if not more. You'll also need an overclocked 6 core Intel to even get close to being able to drive all 4 of those GPUs to their full potential, and even then 3 290's is probably the most that CPU could support without bottlenecking.
3 is actually a much better option. It will be better balanced between CPU and GPU powwer. You could get away with an overclocked 4770k, but the CPU will still be the weak link in that chain. Maybe take the money you didn't use for the 4th 290 and put it into the better CPU and cooling?
warezme
Distinguished
- Dec 18, 2006
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You might not even have 3 full x16 Pcie's. Look at the specs and it shows 2 16x and the 3rd 16x at 8X. I have seen this on other motherboards, depending on how much bandwidth the first or second 16x cards are using the remaining pcie buses will sometimes be only 8x. 8x won't necessarily hurt you to much but there will be a slight performance loss. Your best bet to have two full 16x is two dual GPU cards on two slots.
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