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Quad 7970s with 3 cards?

Last response: in Graphics & Displays
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January 26, 2013 3:51:56 PM

Every summer, I plan out how I'm going to upgrade my PC (I get more money in the summer due to more available hours) and this summer I want to upgrade my GPUs. I currently just have 1 reference visiontek 7970. Soon, I'm going to crossfire it with a sapphire 7970. However, I also plan on having about 6 monitors so I want another card and I was wondering if I could add either a 7990 or, when it comes out, the HIS X2 7970 (dual 7970) card onto those 2. It would be quad-GPU, but only using 3 slots. Would this work with all 3/4?
Thanks in advance

Specs:
i7-3770k @ 5GHz
GIGABYTE GA-Z77X-UD5H
16GB (4 x 4GB) 1600MHz Patriot RAM
256GB Crucial M4 SSD
128GB Crucial M4 SSD
2TB 5400RPM Seagate Barracuda
1TB 7200RPM Seagate something
3TB 7200RPM Seagate bla bla bla
Visiontek reference 7970
Coolermaster Cosmos II badass case (official name)
Rosewill LIGHTNING-1300 1300W Continuous@50°C,80 PLUS GOLD Certified
Noctua NH-D14

I know I didn't have to include all this, but I love bragging. :p 

More about : quad 7970s cards

January 26, 2013 4:03:19 PM

Yes just like last gen 6990+6970=trifire! 7990+7970 would be a trifire configuration since there are 3 gpus. However I would highly recommend you pick another motherboard one with a PLX Chip and more PCIe spacing such as the Asus WS or the Asrock Extreme 9. This way you will not be bottleneck, also I would recommend buying 3 independent 7970's, and not the 7990!
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January 26, 2013 4:06:31 PM

Stay with your current 7970, there's a good possibility of new card being released this year from both sides.
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January 26, 2013 4:14:40 PM

redeemer said:
Yes just like last gen 6990+6970=trifire! 7990+7970 would be a trifire configuration since there are 3 gpus. However I would highly recommend you pick another motherboard one with a PLX Chip and more PCIe spacing such as the Asus WS or the Asrock Extreme 9. This way you will not be bottleneck, also I would recommend buying 3 independent 7970's, and not the 7990!

What about the HIS 7970 X2? It's literally 2 7970s and completely blew away the 7990.
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January 26, 2013 4:18:06 PM

redeemer said:
Yes just like last gen 6990+6970=trifire! 7990+7970 would be a trifire configuration since there are 3 gpus. However I would highly recommend you pick another motherboard one with a PLX Chip and more PCIe spacing such as the Asus WS or the Asrock Extreme 9. This way you will not be bottleneck, also I would recommend buying 3 independent 7970's, and not the 7990!

Another thing, I'm planning on having 2 7970s and a 7990/X2. Will THAT work?
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