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Different pcie slot cards

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January 22, 2013 12:33:41 AM

Hi i was just wondering if i have a pcie x8 slot could a pcie x2 or x4 work in the pcie x8 slot and if it does work what are the draw backs to doing it that'll way? thank you.

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a c 106 B Homebuilt system
January 22, 2013 12:35:28 AM

Yep, your PCI x2/x4 card will work in an 8x or 16x slot.

No drawbacks, other than the fact you aren't using the slots full potential.
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a b B Homebuilt system
January 22, 2013 12:36:01 AM

Yes, you can do that. The only draw back is that you no longer have an available PCI-Ex8 slot. Performance-wise, there wouldn't be any difference.

-Wolf sends
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a c 136 B Homebuilt system
January 22, 2013 12:52:24 AM

There is a potential drawback on some motherboards .

Usually the first pci-e x8 slot doesnt have its own bandwidth . It shares that with the x16 slot the graphics card is in .
So if you use it for anything else it restricts your graphics slightly
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January 26, 2013 5:22:00 AM

manofchalk said:
Yep, your PCI x2/x4 card will work in an 8x or 16x slot.

No drawbacks, other than the fact you aren't using the slots full potential.


So does it matter if it's also pci x 1 slot card would it still work in those slots to i meant to ask you that?
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a c 106 B Homebuilt system
January 26, 2013 5:33:22 AM

As long as there is more or equal lanes on the slot than the card, your guaranteed to be fine.
If there are less lanes on the slot, then you have to start balancing bandwidth of the gens and such.

Actually found this video the other day, it explains a lot about the PCI.
http://www.youtube.com/watch?v=LSSHuMHbCWo
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January 27, 2013 4:44:46 PM

manofchalk said:
As long as there is more or equal lanes on the slot than the card, your guaranteed to be fine.
If there are less lanes on the slot, then you have to start balancing bandwidth of the gens and such.

Actually found this video the other day, it explains a lot about the PCI.
http://www.youtube.com/watch?v=LSSHuMHbCWo


Thank you that answered a lot of questions on what i needed to know!
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