My 4850 that i will be buying is PCI-E 2.0... my MB that i will be buying is PCI-E, will they work together, and will this affect the output of the graphics card?
The card is backward compatible but to unleash its full potential it needs a 2.0 port with the proper drivers to enable to use that bandwidth...as far as I know.
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I bought an Nvidia 1GB 8800GT PCI-E 2.0 card awhile ago. My old motherboard was just standard PCI-E. This new motherboard supports 2.0. Really didn't notice any difference in performance with the new support. I don't know if other cards would change that but I don't think there will be a truly noticeable difference. :-/