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PCI-E 2.0 on PCI-E 1.0?

Last response: in Graphics & Displays
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May 17, 2011 6:00:46 PM

I built a budget PC for a friend. What I neglected to specifically look at was the fact that the motherboard did not support PCI Express x16 2.0. The graphics cards are backwards compatible, but how hindered will this card be on a 1.0 slot?

nVidia GeForce GT 430

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a b U Graphics card
May 17, 2011 6:10:16 PM


The Gt 430 is an entry level gpu, so you won´t have problems of bottlenecking by a PCIe 1.0, maybe you could have some problems of compatibility (probably not, if we were talking about AMD 5000 series (Pcie2.1) then things would change...)

Anyway I will go for this gpu:


http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Cheaper...
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a b U Graphics card
May 17, 2011 6:12:14 PM

It should be fine. PCI-E 2.0 cards work on PCI-E 1.0 boards, and PCI-E 1.0 has plenty of bandwidth for the card which you have
make sure that your mobo supports the card as some requires bios update
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May 17, 2011 6:15:20 PM

Dominaz1 said:
The Gt 430 is an entry level gpu, so you won´t have problems of bottlenecking by a PCIe 1.0, maybe you could have some problems of compatibility (probably not, if we were talking about AMD 5000 series (Pcie2.1) then things would change...)

Anyway I will go for this gpu:


http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Cheaper...


That card doesn't have DirectX11 support though =/
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a c 358 U Graphics card
a b V Motherboard
May 17, 2011 8:05:56 PM

nemesis4895 said:
That card doesn't have DirectX11 support though =/


It doesn't matter. The GT 430 is too weak to run DX11 games. It is not even that good for DX10 games. It is a very weak card

See following review:

http://www.techpowerup.com/reviews/Zotac/GeForce_GT_430...


I would get the HD 5670 for $63 after rebate. It depends on the game and the resolution of the monitor, but the HD 5670 has about 40% - 50% better performance than the GT 430. See benchmarks in the above review.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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May 17, 2011 9:32:15 PM

Best answer selected by Nemesis4895.
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