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GTX 580 SLI, will my PSU handle it ?

post #1 of 17
Thread Starter 
I'm getting a second GTX 580 this week. I've searched a lot to know if my HX850 will handle my system but i can't find a definite asnwer :/

My system is in my signature, but basically it is :

-ASUS P6x58d-premium
-6gb OCZ reaper @ 1526mhz
-i7 930 OC to 4.0 (1.264 vcore)
-GTX 580 SLI (no overclock, or maybe light overclock from 772mhz to 800mhz without voltage increase )

So i'm worried. Many ppl says it would be cutting it very close. Other ppl say it ''should'' be ok.

I don't know, should i sell my HX850 and grab a HX1000 ? I would prefer to keep my hx850 if possible... don't wanna spend more money on a PSU and try to sell my hx850 :/
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My System
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CPUMotherboardGraphicsRAM
i7 6900k Gigabyte X99 Ultra Gaming GTX 1070 SLI Corsair DDR4 16gb 3200 mhz 
Hard DriveCoolingOSMonitor
SSD Crucial 500 GB Corsair H80i Windows 10 64bit BenQ XL2720z 27" 144hz (1920x1080) 
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Corsair 850HX Antec 900 Razer Deathadder 
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post #2 of 17
it will handle it just fine:

as long as it isn't ancient (taking into account capacitor aging)
Galbus
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Galbus
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post #3 of 17
HX850 is plenty.
post #4 of 17
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Ultra mega
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post #5 of 17
Thread Starter 
Quote:
Originally Posted by badatgames18 View Post
it will handle it just fine:

as long as it isn't ancient (taking into account capacitor aging)
I bought the PSU in december 2010 new from newegg.ca
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My System
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CPUMotherboardGraphicsRAM
i7 6900k Gigabyte X99 Ultra Gaming GTX 1070 SLI Corsair DDR4 16gb 3200 mhz 
Hard DriveCoolingOSMonitor
SSD Crucial 500 GB Corsair H80i Windows 10 64bit BenQ XL2720z 27" 144hz (1920x1080) 
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post #6 of 17
I concur. I went with 1000W to leave enough room for plenty of extras, overclocking, and capacitor aging.
post #7 of 17
Quote:
Originally Posted by Phantom_Dave View Post
I concur. I went with 1000W to leave enough room for plenty of extras, overclocking, and capacitor aging.
Not necessary. With cap aging and OC 850 will still be plenty.
post #8 of 17
Keep the HX850, it's more than enough. You can overclock everything to death and still have headroom. You can run SLI 580s on a high quality 750. Those saying you'll be cutting it close are wrong.

Check out Phaedrus' quick'n'dirty psu calculator if you want further peice of mind, but you are totally fine.
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The Oracle
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Pythia
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Samsung 256GB 850 Pro Samsung 256GB 840 Pro Westerb Digital Caviar Black 1TB XSPC Rasa ES240 + 2 GT AP-15s 
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Corsair 650D 
CPUMotherboardRAMHard Drive
i3 4130 Gigabyte GA-B85M-HD3 Corsair 2x4gb DDR3 1600mhz Low Profile CL9 1.35v WD Blue 500GB (OS) 
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post #9 of 17
Quote:
Originally Posted by Segovax View Post
Not necessary. With cap aging and OC 850 will still be plenty.
I'd rather be safe than sorry. Also, I didn't say just how many extras I'm getting. Maybe I'm planning on watercooling with 17 fans 8 HDD and 5 optical drives, 8 USB ports being used, and 2 externals, hehe. Plus PSUs can lose up to 20%-30% of their rated power over age.

I'd rather have it and not need it than need it and not have it.
post #10 of 17
Peace of mind. Piece of mind implies it was shattered and he can only have portions.

/ot plenty. as stated.
AMD :D
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AMD :D
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