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P55 motherboard with 2x pci express 2.0 16x

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November 16, 2009 7:17:34 PM

Hi, i have just ordered 2 radeon 5770 that i was thinking of running in crossfire. Right now i have a Gigabyte p35-dq6 M.B, that only runs 16x - 4x, so i was looking for one that runs 16x - 16x. What is my options here? Can i run 8x - 8x, or is 16x-16x
the best or what? Have also been thinking on x58 chipset M.B, but if there is a p55 chipset that works better for me, i would rather take that one. I mostley use my pc for gaming, and hd gaming.
Thank`s for all your help :wahoo: 


My current system is:
Gigabyte p35-dq6
q6600
4 GB ram
22" samsung full HD
8800 gts 320 (old verson)
a c 234 V Motherboard
November 16, 2009 11:30:54 PM

If you go for a P55 motherboard, what CPU and memory will you buy? If you only want a new motherboard, a P45 motherboard like the Gigabyte GA-EP45-UD3P (8x - 8x) should meet your requirements.
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November 17, 2009 7:21:07 PM

Hi again. Thank you both for helping me so far.
I wasen`t thinking of using to mutch money, and i can`t wrap my head around what to choose between p55 or x58.
will i gain most from, 2x * 2.0 16x cf, or 2 * 8x?
if i was going for a x58 system, i was thinking of i920, with 6GB ram, because it is the cheepest:) 
a c 234 V Motherboard
November 17, 2009 8:34:35 PM

With PCIe 2.0, 8x or 16x doesn't matter. Most tests are performed using P55 motherboards. An X58 solution can be significantly more expensive that a P55 solution with basically no performance gains, if any. Did you read reviews to determine your requirements? What's your budget?
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