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Seasonic M12 500w for dual 5850

post #1 of 27
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Hi,

I am probably buying a 500w m12 since my local computer store has it for only 15$! will it be enough for a dual 5850 setup with a 4ghz x2 555?
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Awesomesauce.
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post #2 of 27
Don't think that'll be enough tbh...

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post #3 of 27
Psu = kaboom
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Swag box m8
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post #4 of 27
According to that^ graph it should work, but I wouldn't risk it

Quote:
Psu = kaboom
No, it would just shut down.
Dunno
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Dunno
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post #5 of 27
Quote:
Originally Posted by Kasp1js View Post
According to that^ graph it should work, but I wouldn't risk it
That doesn't include power draw from every other component on the computer though
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Hard DriveOptical DriveOSMonitor
Seagate Barracuda 500 GB TSSTCorp CDDVDW TS-H653R Arch x86_64 2x LG Flatron W2243S (3840 x 1080) 
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post #6 of 27
5850 is a 160w GPU. that x2 easily takes 130w at 4G depending on voltage. 5850 do 38a/456w on 12v and usually does more than specs but it is on edge here unless you scale down OC on cpu and GPUs a bit.
Edited by linskingdom - 1/29/11 at 6:59am
post #7 of 27
Just get a nice 650 watt unit, it will handle tons of fans and a 125w cpu no problem. Like the SeaSonic X650, expensive but worth it.

Edit: I could be mistaken but you need at least 40amps on the main rail to power two of them.
Edited by Kratthew D. Kraids - 1/29/11 at 5:35am
    
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post #8 of 27
Quote:
Originally Posted by jazznaz View Post
Don't think that'll be enough tbh...

That's taken at the wall. If the PSU is typically about 82% efficient then it's about 390WDC.

OP, It should work if you don't OC the GPU's too much.
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post #9 of 27
No not even close, 160X2 is a good basic wattage for those cards, dont forget 500w isnt all the power thats going to your video card, find the AMPS on the 12v rail multiply those by 12 and thats how many watts need to go to your GPU(s), CPU, HDD's, Fans, DVD and so on. SO it wont work.
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Oppress This!
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post #10 of 27
I run 2x5850s now, sure they are OCed a little. but I also have a 750w and I dont think it is enough.
So no 500w is not even close and it sounds like a cheap 500w too.
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