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I need mobo with 2pcie at x16 each

post #1 of 6
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Are there any motherboards in 1155 or 1156 that can run 2 gpu's at x16 each or do they all split into x8? Am i limited to a 1366 mobo?
post #2 of 6
The PCI-E controller for 1156 boards is on the cpu (which is at 16x) So you will always only get 8x/8x (max) when running dual cards. Im not sure about 1155 as I have not looked into them.
 
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Fun inside...
(17 items)
 
 
CPUGraphicsRAMHard Drive
Athlon 64 3500+ 2.2Ghz 9800GX2 (wet) 1998Mhz Shader 4.5GB mixed WD Caviar black 20GB 'SS' 
Optical DriveCoolingOSMonitor
Cheap beige DVD ROM Koolance full copper GX2 block Vista 32bit LG W2486L 
PowerCase
Antec EA650 Antec 900 
CPUMotherboardGraphicsRAM
I7 920 D0 P6X58D-6 [Full mosfet/Northbridge blocks) GTX480 3x 2GB Dominator 1600Mhz 8-8-8-24 
Hard DriveHard DriveHard DriveOptical Drive
M4 64GB WD Green 1.5TB 2x WD CB 640GB Lite-on 22x dual layer, ASUS Blu-ray 
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Custom loop Windows 7 64 bit LG W2486L Microsoft (cheapest they had) 
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Corsair TX950 Lancool PC-K62 Microsoft X5 Akira theme 
Audio
Logitec 5.1 
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EVGA P55 2x 2GB Corsa 2133MHz 250GB DVD-RW 
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post #3 of 6
Quote:
Originally Posted by TheReaperWaits View Post
The PCI-E controller for 1156 boards is on the cpu (which is at 16x) So you will always only get 8x/8x (max) when running dual cards. Im not sure about 1155 as I have not looked into them.
wow just another reason I wont go SB...

+rep though for good info
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Black beauty
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post #4 of 6
Quote:
Originally Posted by TheReaperWaits View Post
The PCI-E controller for 1156 boards is on the cpu (which is at 16x) So you will always only get 8x/8x (max) when running dual cards. Im not sure about 1155 as I have not looked into them.

Wow. I was sold on SB before, but this makes me reconsider. I wonder if this is something they will address later.
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Like a Bausss...
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post #5 of 6
Quote:
Originally Posted by TheReaperWaits View Post
The PCI-E controller for 1156 boards is on the cpu (which is at 16x) So you will always only get 8x/8x (max) when running dual cards. Im not sure about 1155 as I have not looked into them.
sandy bridge is also 8x on 2 cards, or so linus says on tech tips
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post #6 of 6
tried looking into the Asus Supercomputer MB's?
i think they might be what your looking for
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Oneone Uapo
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