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abit IP35 Pro and Crossfire

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May 6, 2016
Hello everyone,

My motherboard is the abit IP35 pro, which was a pretty good motherboard when it came out, right about... 8 years ago :D
Ever since the day I got it, I was wondering about it's 2x PCI-E slots. One of them is 2.0 16x, while the other one is just 2.0 4x.
Now, I know there's a PCI-E 3.0, but from what I've heard, there's no noticeable performance loss when going using a 3.0 PCI-E card on a 2.0 PCI-E motherboard. However, what would happen if I were to use the other (4x) slot?
I'll be more specific, I can get 2x 270 ATI cards for cheap, and I think now would be a cool time to crossfire, because it always looked awesome when I was a kid. :attn:

So you know, CPU bottleneck aside, should I be able to crossfire on abit IP35 pro, and if I do this crossfire will I lose tons of performance based on the 4x slot?

Thanks! :salute:


Likes Popcorn
Jul 31, 2004
PCI-E 2.0 x4 gives you 2 GB/s bandwidth, which is still enough to re-write the entire RAM space of that GPU every second, so I doubt it'd be any kind of noticeable performance hit, maybe 1 FPS.