Can I put these two 1080Tis in SLI?

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TylerPCs

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Jul 2, 2017
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Hi I was wondering if I can put two GPUs in SLI that are the same just different Nvidia subs:

http://www.bestbuy.com/site/evga-sc2-gaming-nvidia-geforce-gtx-1080-ti-11gb-gddr5x-pci-express-3-0-graphics-card/5854306.p?skuId=5854306

https://www.amazon.com/GeForce-Gaming-DisplayPort-Graphics-TURBO-GTX1080TI-11G/dp/B06Y31FYWY/

EDIT:
I have a ASUS ROG STRIX Z270E GAMING LGA1151 DDR4 DP HDMI DVI M.2 ATX Motherboard. Now my question is, is my 850 Watt power supply going to be capable of handling this? And is my motherboard capable?
 
Solution
Karadjgne
That's a good psu. Can't see where you'd need more watts, the psu only supplies what the load demands, it doesn't put out the full rated wattage unless / until your entire pc reaches 100% load.

http://www.guru3d.com/articles-pages/geforce-gtx-1080-2-way-sli-review,4.html

Power consumption of both cards won't be 600w, closer to 400w. Adding 200w for a respectable cpu OC and another 150w for the motherboard and everything like drives and fans etc and you are still @100w shy of max psu loads. And that's fully stressed, which gaming loads aren't. Under full average gaming loads you'd be lucky to see 550w - 600w.
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TylerPCs

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Jul 2, 2017
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Okay, my friend is selling me his EVGA that he bought for his build and it costed him $700 but he is going to sell it to me for $350 as he put two 1080s in sli instead. I already have a build with a geforce 1080ti. I have a ASUS ROG STRIX Z270E GAMING LGA1151 DDR4 DP HDMI DVI M.2 ATX Motherboard. Now my question is, is my 850 Watt power supply going to be capable of handling this? And is my motherboard capable?
 
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TylerPCs

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Jul 2, 2017
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I also have 2 SSDs in Raid 0 and a hard drive and the GPU is 300 Watt maxed I think, each, which when rendering you do max your GPU and if I have 2 that's 600 + whatever the hard drive and SSDs need and my other components. I thought I would never have 2 GPUs so my system is not built for such high wattage. That being said I don't really have a budget to spend getting another power supply as I've dumped a total of $5K into this build ( Including three monitors headset camera and 64 GB of RAM lol)
http://www.tomshardware.com/reviews/nvidia-geforce-gtx-1080-ti,4972-6.html
Just did some research and SSDs + HDD should not surpass 20 Watts and my RAM should not exceed 20 Watts either.
 
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TylerPCs

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Jul 2, 2017
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It's EVGA 850 B2 Supernova 80 Bronze + is that good enough to handle my GPUs if I max my system out? And also what happens if I need more watts than are supplied? Thanks
 
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Karadjgne

Karadjgne

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That's a good psu. Can't see where you'd need more watts, the psu only supplies what the load demands, it doesn't put out the full rated wattage unless / until your entire pc reaches 100% load.

http://www.guru3d.com/articles-pages/geforce-gtx-1080-2-way-sli-review,4.html

Power consumption of both cards won't be 600w, closer to 400w. Adding 200w for a respectable cpu OC and another 150w for the motherboard and everything like drives and fans etc and you are still @100w shy of max psu loads. And that's fully stressed, which gaming loads aren't. Under full average gaming loads you'd be lucky to see 550w - 600w.
 
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chosenidea

Oct 5, 2018
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For video editing and 3D rendering you DO NOT put cards in SLI. It can only cause problems, and is of zero benefit. You can mix any cards together provided they are both supported by the software you are rendering with.
 
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