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5850 CF on 1155?

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Last response: in Graphics & Displays
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March 7, 2012 11:09:44 PM

I am seriously looking at this board (ASRock Extreme3 Gen3):

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

I currently have one 5850 card -- would I see significant performance gains by picking up a second 5850 (used) to CF on this motherboard or would the cross-fired cards cards be bottlenecked by the 8x/8x bandwidth limit?

More about : 5850 1155

March 7, 2012 11:28:52 PM

I'm currently using that same setup with a 1920x1200 lcd. The Asrock Board is an excellent upgrade if you're on a budget, go for it! 8x/8x is nothing to worry about, you still get great performance gaming.
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a c 1415 U Graphics card
March 7, 2012 11:49:45 PM
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March 8, 2012 1:33:11 AM

Best answer selected by diet_pepsi.
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March 8, 2012 1:33:24 AM

thanks guys
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a b U Graphics card
March 8, 2012 6:02:54 AM

everyone using x8/x8 even with high-end cards. happppy.
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a b U Graphics card
March 8, 2012 6:06:45 AM

rolli59 said:
No problem with crossfire on x8 x8 http://www.tomshardware.com/reviews/p67-gaming-3-way-sl...

@rolli59 thankkkk you man your post help me too thanks again i thought that CF and SLI possible only with x8/x8 but another good news i saw in your link that x4 is not behind.

it mean can i use even 3 card HD 7970 currently i have two in CF but if i put another 7970 in x4 will it worth or not?
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a c 1415 U Graphics card
March 8, 2012 10:14:23 AM

The board you selected only supports 2 way crossfire and in all reality the benefit from going 3 way is not nearly as much as going from a single to 2way.
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a b U Graphics card
March 8, 2012 10:17:20 AM

no, i have an asus p8z68 v pro which have 3 way.
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a c 1415 U Graphics card
March 8, 2012 10:18:18 AM

xtreme5 said:
no, i have an asus p8z68 v pro which have 3 way.

Then you can!
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a b U Graphics card
March 8, 2012 10:20:14 AM

thanks! are you sure that i'm able to put third 7970 in x4 slot.
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a c 1415 U Graphics card
March 8, 2012 10:22:47 AM

xtreme5 said:
thanks! are you sure that i'm able to put third 7970 in x4 slot.

Only if it is an X16 slot at X4 speed.
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a b U Graphics card
March 8, 2012 10:24:13 AM

my specs are:

i5 2500k OC'ed to 4.6ghz
p8z68 vpro
g.skill ripjwas x series 2x4gb ddr3 1600
2x hd 7970
1tb seagate barracuda
120gb ssd ocz vertex 3
cooler master silent pro 1000w
HAF x 922.
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a b U Graphics card
March 8, 2012 10:25:22 AM

rolli59 said:
Only if it is an X16 slot at X4 speed.

what do you mean?
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a b U Graphics card
March 8, 2012 10:26:30 AM

i want this combination x8 x8 x4.
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a c 1415 U Graphics card
March 8, 2012 10:56:46 AM

xtreme5 said:
my specs are:

i5 2500k OC'ed to 4.6ghz
p8z68 vpro
g.skill ripjwas x series 2x4gb ddr3 1600
2x hd 7970
1tb seagate barracuda
120gb ssd ocz vertex 3
cooler master silent pro 1000w
HAF x 922.

I am not sure the x16 slot at x4 speed will work for trifire http://www.asus.com/Motherboards/Intel_Socket_1155/P8Z6...
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