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Current Mobo and 2.1 PCIe GPUs

I'm planning on picking up a 5850 or 5870, haven't decided fully yet.

I noticed they are 16x 2.0 or 2.1 PCIe cards.

I haven't really looking into the whole 2.0 thing, but I went back on my newegg order history and checked out the specifications on my Asus P5B-Deluxe I bought back in Dec. 2006.

I noticed it just says 2x PCIe x16. Will my mobo fully support the new cards? Want to make sure before I pull the trigger.

Here's the mobo for reference:
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131028

Thanks.
4 answers Last reply Best Answer
More about current mobo pcie gpus
  1. Best answer
    people with PCI-E x16 mobo tend to have issues with 2.1 cards, some boards work with a BIOS update and some don't. Your best bet would be

    1) check with owners of that mobo & your manufactures web site
    2) get a 2.0 card and you will have no issues
  2. Okay so 2.0 is fine and 2.1 is the issue?

    I noticed for instance, Sapphire uses 2.0 for 5850/5870s while Asus uses 2.1.

    I was actually looking into the Asus since it seems to run cooler from reviews, but I should probably pick up the Sapphire instead?

    Ex.
    http://www.newegg.com/Product/Product.aspx?Item=N82E16814121375&cm_re=5850-_-14-121-375-_-Product
    vs
    http://www.newegg.com/Product/Product.aspx?Item=N82E16814102884&cm_re=5850-_-14-102-884-_-Product
  3. 2.0 is fine
    2.1 may or may not work, you will have to do more research on your motherboard
  4. Best answer selected by Strife025.
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