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How many 295's can I have in one system?

Rubycon

Rubycon

Madame President
I have six PCI-E slots - 5 available as 16X. Will four 295's work for 8way SLI or at least encoding/crunching?
 
Did you just win tonight's lotto? 😉


It isn't just a matter of having the slots, it's having enough room. Each GTX 295 takes up two slots worth of space. So you would need a motherboard with slots spaced out far enough for 8 regular cards cards. I'm not sure such a beast exists.
 
Originally posted by: Creig
Did you just win tonight's lotto? 😉


It isn't just a matter of having the slots, it's having enough room. Each GTX 295 takes up two slots worth of space. So you would need a motherboard with slots spaced out far enough for 8 regular cards cards. I'm not sure such a beast exists.
Click to expand...

There are actually several, most of them are AMD boards though, meant for quad crossfire. However there are a few intel ones out there.

http://www.asrock.com/mb/overv...58%20SuperComputer&s=n

ASRock even targets that motherboard specifically for use as a CUDA machine
 
Originally posted by: Creig
Did you just win tonight's lotto? 😉


It isn't just a matter of having the slots, it's having enough room. Each GTX 295 takes up two slots worth of space. So you would need a motherboard with slots spaced out far enough for 8 regular cards cards. I'm not sure such a beast exists.
Click to expand...

295 is dual gpu so two is four way SLI and so on...

I have an EVGA classified (enroute) and Asus P6T6 Workstation Revolution to try it with.
 
Dang, that atlasfolding system is impressive. I haven't been looking at motherboards lately so hadn't been keeping up with times, I guess. The last time I checked the best an ATX board could do was 3 double-width PCI-E slots and one single-width.
 
I think the SLI bridge only supports 3 cards so I assume you can put in 3 x 295s, which would be equivalent to 6-way 275s.

You better have Skulltrail i7 overclocked to 4+ to properly balance the SLI load for that many cards...
 
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