Alright, so I'm working on a new pc build, and I've put together everything except for the graphics cards. The thing is, I have a 4770k cpu in an Asus z87 sabertooth board, which has 2 pci e 3.0 x16 slots and 1 pci e 2.0 x16 slot. The thing is, if I do a 3 way sli, the pci 2.0 will be running at 4x. If I were to do a 3 way sli with gtx 770's, will the third slot give me a significant bottleneck compared to the other two?
Solution
burdenbound
Splendid
- Aug 9, 2011
- 3,225
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- 22,960
You will be ok, it's possible you may loose one fps or so but not really something to worry about. Most graphics cards can't saturate the throughput of PCIeX4 @ 1.0 so PCIeX4 @ 2.0 you will be alright.
Tom's did a real in depth review of all the different ones a while back and there wasn't a huge performance loss. I don't even know why we have PCIe 3.0 we barely utilize the bounds of 2.0
I'm still doing research on the topic. It seems like the people on this page seem to disagree.
http://www.tomshardware.com/answers/id-1737458/z87-sabertooth-supports-sli.html
http://www.tomshardware.com/answers/id-1737458/z87-sabertooth-supports-sli.html
PreferLinux
Distinguished
- Dec 7, 2010
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SLI doesn't work with PCIe x4 slots anyway. So you can't do Tri SLI. But you could do Tri Crossfire. If you did that it would bottleneck. Besides, going from two graphics cards to three doesn't really add enough performance to warrant it.
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