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Power supply for quadfire R9 290x?

post #1 of 31
Thread Starter 
Hi Guys, Im just wondering how much power supply is needed for a quad 290x setup?
post #2 of 31
Are you going to overvolt them
Edited by shilka - 4/12/14 at 12:24pm
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post #3 of 31

If you keep the 290Xs at stock but still overclock the CPU fairly high, then I recommend a minimum of a 1300W PSU for this. The gaming power draw could easily be 1200W or so.

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post #4 of 31
Thread Starter 
Hi again guys,

no plans on overclocking because i dont think its needed to be overclock and its the XFX reference card. I am also in PH meaning, it will take time before waterblocks arrived here for 290x so im sticking with the reference model.

My CPU is 4930K to be overclocked at 4.5 ghz to 4.8 ghz

my powersupply is 1,500w thermaltake gold.

do you think this is ok? and do i have space for future overclocking at 1150 MHZ each 290x?
post #5 of 31
1150 MHz (core) is not going to be very easy without overvolting the average 290x if you look at the results the current owners have. I do not know if this is because of the stock cooler and if the waterblocks will be enough for this overclock without overvolting though.
post #6 of 31
Quote:
Originally Posted by geggeg View Post

1150 MHz (core) is not going to be very easy without overvolting the average 290x if you look at the results the current owners have. I do not know if this is because of the stock cooler and if the waterblocks will be enough for this overclock without overvolting though.


You could do 1100 ish on stock voltage if you have a full loop and blocks. And in that case you could get away with it, but that is in gaming load and no benchmarking at all. If he adds volts, it will be psu reset time.


http://forums.anandtech.com/showpost.php?p=35766530&postcount=202
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post #7 of 31
I was stable at 1125 on stock cooling, stock volts at about 60% fan speed so I would like to imagine I can go higher on water/higher volts biggrin.gif

Anyway, OP, please check the power consumption and performance of the stock cards first before putting on waterblocks or buying a new PSU.
post #8 of 31
Quote:
Originally Posted by geggeg View Post

I was stable at 1125 on stock cooling, stock volts at about 60% fan speed so I would like to imagine I can go higher on water/higher volts biggrin.gif

Anyway, OP, please check the power consumption and performance of the stock cards first before putting on waterblocks or buying a new PSU.


It doesn't matter what YOU did. Trying doing what YOU did on four cards in an array on the stock cooling. As always, with quads you are limited by the lowest common denominator, your weakest card. Thus you always budget on the low end clocks wise.
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post #9 of 31
Thread Starter 
Guys, i really cannot understand anymore since im not really a PC person i just told my friend to set it up for me. Anyway, will thermaltake 1500 w work on this setup? i will not anymore OC the cards, just the CPU at 4.5-4.8 ghz.
post #10 of 31
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