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z77 and x79 motherboard gpu explanation.

#1jsin510Posted 8/18/2013 4:38:32 PM
So I read somewhere on a yahoo posting that says SLI 760 gts are a waste of a performance on z77 motherboard. That its better to installed them on a x79 motherboard.


Currently I have an asrock z77 extreme 4 plus a gigabyte 760 gts I plan to SLI in the future

Can someone explain to me if there's going to be a bottleneck with my setup with my motherboard.

My processor is an i5 3570k OC to 4.2
8gb ram 1600

Thanks
#2Ep1taph303Posted 8/18/2013 4:50:15 PM
Those are two different chipsets/sockets. LGA 1155 & 2011. That means if you got an X79 board you'd need a 2011 socket processor. You'll be fine to run sli on your current board. Btw, it's GTX. :-)
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#3jsin510(Topic Creator)Posted 8/18/2013 4:53:51 PM
Ok thanks gtx got it
#4jsin510(Topic Creator)Posted 8/18/2013 4:58:46 PM
What about the PCIExpress 16 splitting up into 2 because of SLIing video cards ..

Not sure what I'm talking about
#5Ep1taph303Posted 8/18/2013 5:15:46 PM
jsin510 posted...
What about the PCIExpress 16 splitting up into 2 because of SLIing video cards ..

Not sure what I'm talking about



You'll need an sli bridge connection between the two cards.
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#6PhilOnDezPosted 8/18/2013 5:18:57 PM
I think what you're talking about is a z77 board won't have enough PCIe lanes to run both cards in x16 meaning one will run in x16 and one in x8. x8 is still plenty of bandwidth for modern cards and nothing to worry about.
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#7Ep1taph303Posted 8/18/2013 5:25:18 PM
Basically tc. Two 760s will plenty of horsepower for a while.
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#8fallenswordsPosted 8/18/2013 5:31:13 PM
PhilOnDez posted...
I think what you're talking about is a z77 board won't have enough PCIe lanes to run both cards in x16 meaning one will run in x16 and one in x8. x8 is still plenty of bandwidth for modern cards and nothing to worry about.


i have an ASrock z77 extreme6 and it has 2 PCIex16 slots.
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#9jsin510(Topic Creator)Posted 8/18/2013 8:52:23 PM
cool thanks,
#10gastamanPosted 8/18/2013 10:06:08 PM
PhilOnDez posted...
I think what you're talking about is a z77 board won't have enough PCIe lanes to run both cards in x16 meaning one will run in x16 and one in x8. x8 is still plenty of bandwidth for modern cards and nothing to worry about.


Actually, they'll both run in x8 mode.

fallenswords posted...
i have an ASrock z77 extreme6 and it has 2 PCIex16 slots.


Yes, the slots are physically x16, but they share bandwidth. If both are populated, they will both run in x8 mode.
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