Tom's Hardware > Forum > Graphic & Displays > Graphics Cards > [Solved] 4850 x2 or 4870 x2 on a single pci-e motherboard?

[Solved] 4850 x2 or 4870 x2 on a single pci-e motherboard?

Forum Graphic & Displays : Graphics Cards - [Solved] 4850 x2 or 4870 x2 on a single pci-e motherboard?

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Best answer from grpace.

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I am kinda confused I am about to buy a 4850 x2 and I have a Intel DG965WH which only has one PCI-e slot and no crossfire/sli support. I am going to upgrade from a old 8800GT.

Will I be able to use both of the 4850's in crossfire mode? Or will my motherboard not allow it?

Message quoted 1 times
Message edited by grpace on 02-23-2009 at 05:54:18 AM

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Wed, 25 Feb 2009 07:11:11 +0800

No problem, have a great day.

Wed, 25 Feb 2009 07:07:10 +0800
Thank you for the information.

Wed, 25 Feb 2009 07:05:55 +0800

So the motherboard does not support CF, but the card can be CF internally so it doesnt matter, once you install this card you will still get CCC to enable CF with in the card.

Tue, 24 Feb 2009 09:42:25 +0800
No it does not support crossfire because it only has one PCI-E slot. So does that mean I will get the same performance as a single 4850?

Tue, 24 Feb 2009 09:31:35 +0800

As far as i know, if the motherboard supports cross fire you will be able to enable cross fire function with 2 of these cards on it.

Mon, 23 Feb 2009 14:38:49 +0800
I am looking to purchase the 4850 x2 2gb card. Will it support crossfire on a Intel DG965WH motherboard which only has one pci-e x16 slot thus meaning it doesn't have crossfire support? When I say crossfire I mean it is using bother the graphics processors. Thank you.

+1 good question ... no idea. I am anxiously awaiting an intelligent response tho ...

Reply to night7

You'll be able to use both gpu of 4850x2 or 4870x2. It's meant to do that.

Reply to hsetir

As Hsetir mentioned, you'll be just fine. Thats the point of the x2 and GX2s, they allow SLI/CF to be used on any PCIe motherboard. You'll have some issues if you have one of those weird motherboards where the PCIe 16x slot is only 4x electrical, but other then that you should be good.

------------------------------ The voice of REASON
Do NOT feed the TROLLS!
Always a DEMON!
Reply to 4745454b

I sent a support ticket to sapphire anout the 4850. Ill post there responce when i get
It.

Reply to grpace

Why post here then? Either listen to us or don't. Thanks for wasting my time.

Message quoted 1 times

------------------------------ The voice of REASON
Do NOT feed the TROLLS!
Always a DEMON!
Reply to 4745454b

you only need one PCI-E slot to run dual GPU cards.

Reply to Jaysin

It depends on what pci-e your using. If its pci-e 1.0 x16 go with a 4850 . If its pci-e 2.0 go with the 4870x2. This is because there is limited bandwidth when using a pci-e 2.0 card on pci-e1.0 mobo. So don't waste extra money if your socket is pci-e 1.0. 4850 is only $140 on tigerdirect.

Message quoted 1 times

Reply to bustapr

4745454b wrote :

Why post here then? Either listen to us or don't. Thanks for wasting my time.

I asked them because I am looking for the best answer and so far some answers are conflicting. It also seems you have wasted your time because you took the time to complain. Also they haven't gotten back to me yet so at least I have sort of idea of what my purchase is.

Thank you for everyone who took the time to answer.

btw If you value your time please do not reply to this message because I don't wanna hear it.

Reply to grpace

grpace wrote :

I am kinda confused I am about to buy a 4850 x2 and I have a Intel DG965WH which only has one PCI-e slot and no crossfire/sli support. I am going to upgrade from a old 8800GT.

Will I be able to use both of the 4850's in crossfire mode? Or will my motherboard not allow it?

To answer what appears to be your topic question 4850x2 or 4870x2, anandtech recently posted a rather nice review.

http://www.anandtech.com/video/showdoc.aspx?i=3517

To answer the question in your OP, either card should work, but with some of the already mentioned caveats.

Reply to croc

Conflicting?

Every response has said it will work (because it will).

------------------------------ Asus P6T deluxe
i7 965 @ 4.2GHz (200*21), 1.384V
12GB Corsair Dominator DDR3-1600 CAS 7
Reply to cjl

bustapr wrote :

Well not really the case look at this pci-e has plenty of bandwidth for that its way ahead of what the games need just like agp was back in the day http://www.tomshardware.com/review [...] 15-10.html

Reply to wingmaster

Thats pci-e 2.0 though so in a pci-e 1.0 it would run at the pci-e 2.0 x8 speed not much difference there.

Reply to wingmaster

Best answer

Reply to grpace

Send a support ticket to Intel, they are the ones that made the board. What do we and Sapphire know?

Btw, don't tell me to stop posting in this thread, I don't want to hear it.

[/sarcasm]

------------------------------ The voice of REASON
Do NOT feed the TROLLS!
Always a DEMON!
Reply to 4745454b

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