Mining zec with 1080 ti

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Indivision

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Hello , I recently bought MSI 1080 ti gaming x for gaming but also I start using it for mining ZEC.
My question is I have a watercooling for CPU ( i7 4790) (case NZXT) PSU ( EVGA 750W Gold 2)
If I want to make SLI for mining do I need a new PSU or I can stay with this one.


Thanks

Regards Samuil
 
Solution
Barty1884
It'll may well come to that (850W.... 1000W is highly unlikely to be required) - but I'd definitely test first, while monitoring power draw.

2x 1080TIs = 500W.
4790 = 84W
balance of your components = probably 50W.

That puts your at around 650W max draw.... although 1080TIs can (and do) exceed 250W each, under max load. Under a realistic load, you might be fine. Even testing it, you're not going to do any damage to components..... so it certainly won't hurt to try.
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Barty1884

Barty1884

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A 750W G2 should be sufficient for mining using 2x 1080TI's.

250W TDP cards (x2), but mining doesn't (shouldn't?) run your GPUs at 100% load by any stretch.

Not ideal if you also want to utilize both GPUs for gaming etc, but strictly mining, it should be fine.
 
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Indivision

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Thank you for the reply. I will using them for gaming also , but its mostly for mining. I see now running my GPU at 75-76 C
so I will need to think about cooling system for the GPUs so they have better temperatures. I just don't want to kill my rig with the second graphics card.
 
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Barty1884

Barty1884

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You're not going to "kill" anything running SLI on that G2 - it's a quality unit, with more than capable protection.
Worst that'll happen is you may experience some instability/shutdowns.

For gaming, you're going to be pretty close.... I would try it out and monitor power draw if I were you.
 
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Indivision

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I am using two 35 inch predators so yea .... even If I remove one I think I will need to buy 850 or 1000w

 
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Barty1884

Barty1884

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It'll may well come to that (850W.... 1000W is highly unlikely to be required) - but I'd definitely test first, while monitoring power draw.

2x 1080TIs = 500W.
4790 = 84W
balance of your components = probably 50W.

That puts your at around 650W max draw.... although 1080TIs can (and do) exceed 250W each, under max load. Under a realistic load, you might be fine. Even testing it, you're not going to do any damage to components..... so it certainly won't hurt to try.
 
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I

Indivision

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Ok, Thank you mate !!!!!!

Regards Samuil
 
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AnonymousAndy

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Mining will absolutely run the cards at 100% :)
You'll make more money if you reduce the powerlimit on the 1080ti, in upwards of 20%. Won't affect your hashrate much, the cards will run cooler, and each card will pull less than 180w at 100% load.
 
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Indivision

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Thank you for the advice I can do this from msi app, I mean to reduce the power limit? And somewhere I saw that if you OC it I just click OC mode in msi app its GAMING X version and its going to 2090 -2123 MHz and the others things to 11.200 and 5500, so you can increase your hashrate.. ?
 
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AnonymousAndy

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Yes you can use MSI afterburner to reduce power limit.
Do not use any auto-overclocking software. Do it yourself in increments.
 
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