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Just a Quickie About my Motherborad..Crossfire.

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:bounce:  Hello all a toms , Would it be possible for a little help ,I have a GA-MA785GT-UD3H M/B And would like to add a second HD4890 Video card in crossfire ,However saying that my motherboard says it has 1x16pci-e slot and 1x4pci-e slot ,Would this then mean that its not worth adding a second card because of the second slot being 1x4 ? Please help me as i didn't no what ati crossfire was when i brought the motherboard .It came from ccl computers with ram and processor already installed. .I have googled it but i cannot find a Defoe answer on this. thanks for your time. PS please answer in layman trems as im not to up on very techincal matters as this . EG Yes it will improve vidoe game proformance by so many percent ,Or no it wont due to the second pci-e being 1x4. BIG THANKS to all that can offer me some insight into this matter ...Jason....

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thanks for your quick replay . If i turn off the inboard graphics as i don't use them will i then be able to go full crossfire ? The gigabyte website say there are 2 pci-e16 .But that not true as one off then is orange and say 1x4 pci-e . I'm confused more now then i was before Please someone tell me Yes to full crossfire or No as the 1x4 pci-e wouldn't offer any more performance then a single card that i have right now. Few thanks peeps.
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Motherboard Authority

jason-uk said:
thanks for your quick replay . If i turn off the inboard graphics as i don't use them will i then be able to go full crossfire ? The gigabyte website say there are 2 pci-e16 .But that not true as one off then is orange and say 1x4 pci-e . I'm confused more now then i was before Please someone tell me Yes to full crossfire or No as the 1x4 pci-e wouldn't offer any more performance then a single card that i have right now. Few thanks peeps.


No. I don't belive so.
Motherboard Authority

Your welcome. Even if you could use the 16x plus 4x slot for Xfire, the performance would be poor. I know results for SLI using a 16x and 4x slot are very non productive. A single hi performance card would be better than the native Xfire with a Radeon 3400 on that board. I have a 780G setup in native Xfire with onboard 3200. That configuraion is a very poor performer compared to a high performance single video card.
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