ASUS M5A78L LE with 3x AMD 7950 cards and a oczgxs850 with only 2 PCIE power providers, would it work?

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renekton

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Jan 13, 2014
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I need some help, I want to build a mining rig for LTC (litecoin)

I got a ASUS M5A78L LE with 3 times the AMD 7950 cards and a oczgxs850.
But I wonder, how will these cards be powerd? And what type of risers do I need? My board has
1 x PCIe 2.0 x16
2 x PCIe 2.0 x1
3 x PCI

And my PSU (OCZ GXS 850) Has just two PCIe power cables?
1x 24-pin main ATX
2x PCI-Express
1x 4-pin/8-pin CPU
2x 4-pin floppy drive
6x 4-pin peropheral
6x SATA

How can I power all 3 the cards? Or will they get the power from the board? Mybe 2 powerd risers and 1 card getting powerd from the board? Will I need another connector for that?

If anyone can help me out, I would be very happy.
Additional Details
The PSU and Board
http://www.ocztechnology.com/ocz-gamexstream-850w-power-supply.html
http://www.asus.com/Motherboards/M5A78L_LE/#specifications


And the graphix cards
http://www.newegg.com/Product/Product.aspx?Item=N82E16814150588

 
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renekton

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Jan 13, 2014
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10,510


Fixed the links. My mobo can support 3 videocards, if I use a 1x to 16x riser. 3 would fit then.
 
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R

renekton

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Jan 13, 2014
11
0
10,510


I changed my mind, thanks to your comment. I am going to build two cards into that system, one last question. Will it be any problem that i have two AMD 7950 cards and just two PCIe 6 pins going from my PSU? Will the cards need 4 together, or will I be fine with just 2?

 
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