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ASRock Z77 Fatal1ty Pro Recommended PSU?

post #1 of 14
Thread Starter 
Hi Everyone, Could I get a recommendation from you guys for a new PSU for this MB? I currently have an OCZ 850W PSU but suspect it may be causing boot problems?
I can eventually get the system to run after I fiddle with things....and when it dose finally boot, everything works fine.

Right now I am running a single XFX Radeon HD 7950 Graphic Card - 900 MHz Core - 3 GB GDDR5 SDRAM - PCI-Express 3.0 x16 - 5500 MHz Memory Clock - 4096 x 3112 - CrossFireX - Dual Fan Cooler - DirectX 11.0, DirectCompute 11, OpenGL 4.2, OpenCL 1.2 - HDMI - DisplayPort - DVI

I might get another one for CrossFire later on.wink.gif

I also would like to run (2) maybe (3) 2560x1440 @ 120Hz monitors as well, what would you all advise I need for smooth FPS gaming?

Thank You for your help!

P.S. Pls see full system specs in profile.
post #2 of 14
Seasonic 850: http://www.newegg.com/Product/Product.aspx?Item=N82E16817151102
Nzxt Hale 850W: http://www.newegg.com/Product/Product.aspx?Item=N82E16817116012&Tpk=nzxt%20hale

Both top notch PSUs. Probably would be fine with a 750W, but this will give you some extra juice if you decide to go with CF.

If it's too expensive, I can find something else.
Edited by Stefy - 12/1/12 at 12:21am
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post #3 of 14
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151087

Wait for $100 deal on this PSU. Even 750W is overkill for your system in Crossfire, but for $100 it's nice.

But why do you think your PSU causes problems?
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post #4 of 14
Quote:
Originally Posted by DeXel View Post

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151087
Wait for $100 deal on this PSU. Even 750W is overkill for your system in Crossfire, but for $100 it's nice.
But why do you think your PSU causes problems?
It's $10 cheaper than the 850W.

With everything overclocked it's going to take some extra power. Might as well get a 850 and have room for future upgrades, especially when the price difference is insignificant.
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post #5 of 14
You didn't read my post, did you? That PSU goes for $100 very often. His system won't go over 650W unless he adds third GPU.
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post #6 of 14
Oh really? Lemme know when the next sale is then. How long until the next sale, a couple of months?
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post #7 of 14
It goes on sale about every month. Last time was in the beginning of November. Here. If you are subscribed to Newegg emails, you should have no problem catching the deal.
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post #8 of 14
Tbh, he can just RMA his current PSU and get a new one. I'm not even sure the PSU is the problem.
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post #9 of 14
Thread Starter 
Thanks guys for your help, and info. The seasonic looks good. Do you really think 750-850w will be enough? I was thinking maybe 1000-1250 would pretty much Future Proof everything.
I did see this model:Seasonic X-Series 1250W and it looks like a quality PSU, but the price is steep, around 250.

I'm not sure exactly what is going on with my system? I should have mentioned that it is a "New Build in Progress",

Here's the story:

When I go to power it ON, from the Power Switch on the front of the case sometimes it will start for 2-3sec then shut off ...or ...Nothing happens, ,So then I try to activate the system using the Mother board Power switch, It will boot for 2-3sec and then shut down again. So I have to turn the PSU ON-&-OFF SEVERAL TIMES....Sometimes this works but usually not.
Then I go to pulling the PSU Power Cord out of the PSU....WAITING 10-15sec then trying again....Occasionally works....but not alot.

If all that dose not work:

Then I pull the 20&4 pin Main Board connector ....wait 10-15 sec and re-plug it in.....Sometimes this will work.

If not, I have to resort to using my Ultra Power supply tester, by this I mean, turning everything off, again pulling the 20&4 pin Main Board connector, plugging it into my Ultra PSU Tester then powering on the PSU.
It starts up and "tests good"
I then remove it and plug it back into my MB and...after all that, the system will boot using the power switch on the mainboard....and then continues to run fine and stable.
Until I decide to shut it down through windows,,,,everything working normally.

BTW, All setting are stock and nothing has been overclocked. I did however load the drivers that came with the MB and GPU on the CD.

Any Ideas?

Thanks Again ! thumb.gif
post #10 of 14
Do you have a spare PSU to tes?
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