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Old 05-01-2009, 09:06 PM   #1
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Default PCI-E 2.0 in a PCI-E Slot?

Hey guys I have a Gigabyte GA-8N-SLI Mobo, it says it doesn't support PCI-E 2.0 but can I buy a 2.0 card and use it on the standard pci-e slot? will i get the same performance? Its hard finding a regular pci-e card. I edit videos and play the usual steam games, btw.
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Old 05-01-2009, 09:08 PM   #2
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Default Re: PCI-E 2.0 in a PCI-E Slot?

i dont belive that you can get the same performance
i wouldnt be surprised to see that you could use it
but i doubt that it would be optimized for the performance
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Old 05-01-2009, 09:11 PM   #3
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Default Re: PCI-E 2.0 in a PCI-E Slot?

so basically i should get a new motherboard?
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Old 05-01-2009, 09:17 PM   #4
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Default Re: PCI-E 2.0 in a PCI-E Slot?

The only motherboards that support PCIe 2.0 are ones with the newer nvidia chipsets (x58 might, as well). There's still no real performance gains from 2.0 yet.
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Old 05-01-2009, 09:30 PM   #5
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Default Re: PCI-E 2.0 in a PCI-E Slot?

i want to get a 9800 series but on newegg they dont have it for standard pci. should i go for the pci 2.0
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Old 05-01-2009, 09:37 PM   #6
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Default Re: PCI-E 2.0 in a PCI-E Slot?

Quote:
Originally Posted by DirtBikeRidr View Post
i want to get a 9800 series but on newegg they dont have it for standard pci. should i go for the pci 2.0
All of the Nvidia cards are PCIe 2.0. The work pretty much the same in a .0 slot, with the exception of some VIA chipsets.
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Old 05-01-2009, 09:56 PM   #7
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Default Re: PCI-E 2.0 in a PCI-E Slot?

Performance is pretty identical. Don't let it be the deciding factor when buying motherboards.
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Old 05-01-2009, 10:09 PM   #8
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Default Re: PCI-E 2.0 in a PCI-E Slot?

no one has really answered his question for sure
i honestly dont know

so the question is
can a 2.0 PCI-E be used in a 1.0 slot?
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Old 05-01-2009, 10:19 PM   #9
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Default Re: PCI-E 2.0 in a PCI-E Slot?

Quote:
Originally Posted by DirtBikeRidr View Post
can I buy a 2.0 card and use it on the standard pci-e slot? will i get the same performance? Its hard finding a regular pci-e card. I edit videos and play the usual steam games, btw.
Quote:
Originally Posted by hedoe View Post
so the question is
can a 2.0 PCI-E be used in a 1.0 slot?
Yes, you can use a PCIe 2.0 video card in a PCIe x16 slot. They are backwards compatible. The performance differences are negligible and nothing you'll really notice.
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Old 05-01-2009, 11:15 PM   #10
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Default Re: PCI-E 2.0 in a PCI-E Slot?

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Originally Posted by Atomic Rooster View Post
Yes, you can use a PCIe 2.0 video card in a PCIe x16 slot. They are backwards compatible. The performance differences are negligible and nothing you'll really notice.
+1
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Old 05-02-2009, 04:07 AM   #11
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Default Re: PCI-E 2.0 in a PCI-E Slot?

So I will get about the same performance if I used a 9800 in a standard and if i use it in a 2.0? I won't notice a difference?
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Old 05-02-2009, 04:26 AM   #12
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Default Re: PCI-E 2.0 in a PCI-E Slot?

Yes, the graphics card does not fully use up the pci-1 1.0/1.1 x16 slot bandwidth, even though PCI-E 2.0 slot has twice the bandwidth, since it doesnt use up all of PCI-E 1.0/1.1, then its not going to use up PCI-E 2.0s bandwidth.
I guess an nice example would be you having an car that can go 80MPH (graphics card), and you are on a freeway that lets you go 100MPH (PCI-E 1.0/1.1), then you decided to go on the freeway that lets you go at 200MPH instead (PCI-E 2.0), but you cant go that fast since your car can only go 80MPH.
The only difference you will see are in benchmarks, while in gaming, there was no difference IIRC.
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Old 05-02-2009, 04:54 AM   #13
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Default Re: PCI-E 2.0 in a PCI-E Slot?

Quote:
Originally Posted by hedoe View Post
no one has really answered his question for sure
i honestly dont know

so the question is
can a 2.0 PCI-E be used in a 1.0 slot?
I answered that for you twice...
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