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Author Topic: Can someone recommend a good PSU to run 4 graphics cards + 8 Core CPU mining?  (Read 988 times)
#Darren (OP)
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July 31, 2013, 05:38:01 PM
 #1

4 x 7970 + an 8 core cpu.    What sort of wattage would it need, and can you recommend a good brand/model?

TIA


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July 31, 2013, 05:39:07 PM
Last edit: July 31, 2013, 06:08:22 PM by JackRabiit
 #2

4 x 7970 + an 8 core cpu.    What sort of wattage would it need, and can you recommend a good brand/model?

TIA
I'll do some quick research, i'll let you know what i come up with
You're gonna need a pretty darn good PSU, with somewhere around 1600+ watts, and by good I mean one with a high efficency
so something like this guy http://www.newegg.ca/Product/Product.aspx?Item=N82E16817159158

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July 31, 2013, 05:51:49 PM
 #3

Probably have to do with two PSUs using this adapter.
http://www.moddiy.com/products/Dual-Power-Supply-Adapter-Cable-%28Black%29.html

Or you could get a EVGA NEX1500 which should be plentiful for your system.

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July 31, 2013, 05:58:12 PM
 #4



This one is good: http://www.amazon.com/dp/B007W5TV6K
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July 31, 2013, 06:21:02 PM
 #5

If you go with 7950's, 1200 watts will do it

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July 31, 2013, 07:44:18 PM
 #6

Antec Truepower Quattro 1200W - http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=177

It runs 4x6990 here, power output is almost 1600 wats!  Grin
24/7 !

Am I surprised all of you?  Grin
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July 31, 2013, 08:03:53 PM
 #7

4 x 7970 + an 8 core cpu.    What sort of wattage would it need, and can you recommend a good brand/model?

TIA

Im running 5 7950s off of a Corsair AX1200. They are under-volted of course but its been rock sold for the past 7-8 months =)

http://www.amazon.com/Corsair-Professional-1200-Modular-AX1200/dp/B003PJ6QVU/ref=sr_1_1?s=electronics&ie=UTF8&qid=1375301126&sr=1-1&keywords=ax1200
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July 31, 2013, 08:11:04 PM
 #8

Pretty affirmative that this one would have your setup running with fingers in the nose.

http://www.super-flower.com.tw/products_detail.php?class=2&sn=16&ID=94&lang=en

The super flower psu are rebranded as Kingwin in the US.

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#Darren (OP)
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August 01, 2013, 04:55:09 AM
 #9

If you go with 7950's, 1200 watts will do it

Already got 2 7970's - but could do 2 x 7970 and 2 x 7950 (in fact was thinking of that but wanted to keep OP simple).

What sort of wattage would we be taking in that scenario?


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#Darren (OP)
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August 01, 2013, 05:01:50 AM
 #10

Thanks for the advice guys  Smiley

Probably have to do with two PSUs using this adapter.
http://www.moddiy.com/products/Dual-Power-Supply-Adapter-Cable-%28Black%29.html

Are there any downsides/glitches associated with running two PSU's into the single system?  Or do you just get a nice smooth 750w+750w=1500w type result?


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August 01, 2013, 05:18:16 AM
 #11

If you go with 7950's, 1200 watts will do it

Already got 2 7970's - but could do 2 x 7970 and 2 x 7950 (in fact was thinking of that but wanted to keep OP simple).

What sort of wattage would we be taking in that scenario?
http://images10.newegg.com/BizIntell/tool/psucalc/index.html?name=Power-Supply-Wattage-Calculator
Obviously it's not entirely accurate, that's an estimate if everything is at 100% load, but it's best to be safe.

So 1600W should be ample. The above-mentioned LEPA one should do the trick. Or two linked 800W's. Rosewill (Newegg) has some decent low-cost ones.
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August 01, 2013, 05:28:16 AM
 #12

link up 2 hx750s plenty of wattage  Smiley  I have also heard good things about the ax series  Smiley

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