Tom's Hardware > Forum > Graphic & Displays > ATI > For running two 4870's, how many Crossfire bridges needed?

For running two 4870's, how many Crossfire bridges needed?

Forum Graphic & Displays : ATI - For running two 4870's, how many Crossfire bridges needed?

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jack54   02-03-2009 at 05:00:25 AM

Sounds like a stupid question, but I want to be sure.

I see lots of photos of two 4870's in Crossfire linked with 2 crossfire bridges?
Yet they only send one with the Asus Dark Knight 4870 I got?
Common sense tells me one should work and the second one would be for linking 3 of them?

Soooo... some feedback?

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kylecates   02-03-2009 at 07:39:59 AM
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I'm pretty sure you need two. They send one with each card, so if you buy two, you'll have the two you need. You only need 2 for Tri-crossfire though. Not sure why.

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jack54   02-03-2009 at 08:29:30 AM
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kylecates wrote :

I'm pretty sure you need two. They send one with each card, so if you buy two, you'll have the two you need. You only need 2 for Tri-crossfire though. Not sure why.


uh... what about this
http://www.tomshardware.com/forum/ [...] ire-bridge

 

http://forums.extremeoverclocking.com/t303302.html

 


Message edited by jack54 on 02-03-2009 at 08:35:23 AM
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romulus47plus1   02-03-2009 at 11:50:35 AM
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You only need one for two cards. You can put two, but makes no difference.

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jack54   02-03-2009 at 05:01:49 PM
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romulus47plus1 wrote :

You only need one for two cards. You can put two, but makes no difference.


thanks for the reply.
Wonder why you see so many pictures with two of them on? Looks maybe if it isn't for a performance gain?

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romulus47plus1   02-03-2009 at 05:45:17 PM
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we had this conversation a year ago.

 

http://www.tomshardware.com/forum/ [...] re-bridges

 

maybe they might add another card in the future, and they know where the bridges are...

 

PS: opps, u posted the link already.


Message edited by romulus47plus1 on 02-03-2009 at 05:50:39 PM
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