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GTX 580 8 pin frustration. - Page 3

post #21 of 31
Quote:
Originally Posted by juano View Post

Jeez an 880w PSU that only has dual 6 pins? Sounds like a 400w PSU to me.

agreed. definitely a garbage psu
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post #22 of 31
Thread Starter 
Quote:
Originally Posted by Chris13002 View Post

yeah I agree it's worth a try... Good luck op and let us know how it goes!
I saw on another thread that you tried it with just the two 6-pins... SMH...
Please wait as you could possibly damage your new 580...

It doesn't even boot with two 6 pins. It powers on but thats it. Someone said its just a protection mechanism.
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post #23 of 31
Thread Starter 
Yea and this PSU is a POS. I just figured it was 40 bucks so why not.
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post #24 of 31
Quote:
Originally Posted by AChubbySquirrel View Post

Yea and this PSU is a POS. I just figured it was 40 bucks so why not.

Because it's your power supply. It's the one part that you should NEVER say "why not?".

Having a $40 psu take out all of your expensive components is ludicrous.

Sent from my Galaxy Nexus using Tapatalk 2
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post #25 of 31
Thread Starter 
Quote:
Originally Posted by Droogie View Post

Because it's your power supply. It's the one part that you should NEVER say "why not?".
Having a $40 psu take out all of your expensive components is ludicrous.
Sent from my Galaxy Nexus using Tapatalk 2


Just ordered a CORSAIR Enthusiast Series TX850
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post #26 of 31
Quote:
Originally Posted by AChubbySquirrel View Post

Quote:
Originally Posted by Droogie View Post

Because it's your power supply. It's the one part that you should NEVER say "why not?".
Having a $40 psu take out all of your expensive components is ludicrous.
Sent from my Galaxy Nexus using Tapatalk 2


Just ordered a CORSAIR Enthusiast Series TX850

Sigh...

Your original $32 "880w" unit was actually closer to a mediocre 350w unit at best according to its specs (28a on the 12v PEAK....so 28a x 12v = 336w on the 12v rail....PEAK). In other words a Corsair CX430 would have actually been a better unit, as its about 380w on the 12v CONTINUOUS.

Honestly, there's no reason you need an 800+ watt unit. You could run SLI 580's off a good quality 650w, or a 750w if you plan to overclock. You could have gotten a great PSU for $50-60 at most that would have done the job just fine.

There's nothing "wrong" with the TX850, but I feel that the money could have been saved by going with something a little TINY bit cheaper that's just as good or better quality.
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post #27 of 31
Quote:
Originally Posted by AChubbySquirrel View Post

Just ordered a CORSAIR Enthusiast Series TX850

Good job, saved yourself a lot of troubles down the line
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post #28 of 31
Thread Starter 
Quote:
Originally Posted by pioneerisloud View Post

Sigh...
Your original $32 "880w" unit was actually closer to a mediocre 350w unit at best according to its specs (28a on the 12v PEAK....so 28a x 12v = 336w on the 12v rail....PEAK). In other words a Corsair CX430 would have actually been a better unit, as its about 380w on the 12v CONTINUOUS.
Honestly, there's no reason you need an 800+ watt unit. You could run SLI 580's off a good quality 650w, or a 750w if you plan to overclock. You could have gotten a great PSU for $50-60 at most that would have done the job just fine.
There's nothing "wrong" with the TX850, but I feel that the money could have been saved by going with something a little TINY bit cheaper that's just as good or better quality.

The minimum is 600W for one 580, so running two 580's off a 650W power supply probably isn't a good idea. (No better than that piece of crap PSU I just uninstalled i'll give you that) but I do plan on running SLI in the future.
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post #29 of 31
Quote:
Originally Posted by AChubbySquirrel View Post

Quote:
Originally Posted by pioneerisloud View Post

Sigh...
Your original $32 "880w" unit was actually closer to a mediocre 350w unit at best according to its specs (28a on the 12v PEAK....so 28a x 12v = 336w on the 12v rail....PEAK). In other words a Corsair CX430 would have actually been a better unit, as its about 380w on the 12v CONTINUOUS.
Honestly, there's no reason you need an 800+ watt unit. You could run SLI 580's off a good quality 650w, or a 750w if you plan to overclock. You could have gotten a great PSU for $50-60 at most that would have done the job just fine.
There's nothing "wrong" with the TX850, but I feel that the money could have been saved by going with something a little TINY bit cheaper that's just as good or better quality.

The minimum is 600W for one 580, so running two 580's off a 650W power supply probably isn't a good idea. (No better than that piece of crap PSU I just uninstalled i'll give you that) but I do plan on running SLI in the future.

Incorrect, a GTX 580 draws about 250w at MOST overclocked. There's no way you need an additional 350w for the rest of your system. In all honesty, 200w is MORE than enough for the rest of a typical system. So that's only about 450w that you ACTUALLY need available of good QUALITY power.

In other words, a GOOD QUALITY 500w unit is absolutely perfect for a single 580. Yes, you can run two in SLI off a 650w, I've done it.....had absolutely zero issues and my 12v rail NEVER dropped below 12.15v, even under heavy load. Once overclocked on everything though, the unit kept shutting off....meaning I needed more power (750w is perfect for 580 SLI).

Keep in mind, that in SLI you never get 100% utilization of both cards, so card #1 could be drawing 250w, card #2 could be drawing 200w.
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post #30 of 31
Thread Starter 
Well..... I just ordered an overkill PSU then. I guess nothing bad could come out of it but....Crap.
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