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Last time i ask about psu requirements... i promise - Page 5

post #41 of 60
Quote:
Originally Posted by Phantom_Dave View Post
Fair enough. Now "assume" that your capacitors are not going to age at all. I've yet to find a psu that didn't have aging capacitors.

I can throw some more objections to running at 100%, but that one alone should suffice.

Run your psu wherever you want. I've stuck to the sweet spot for over a decade and haven't had a single psu crap out on me.
Capacitors take years to age significantly.
post #42 of 60
Quote:
Originally Posted by TwoCables View Post
How much power do you think my system would pull from the wall if I ran Furmark @ 1680 x 1050, full screen, 4xAA with these enabled?: Dynamic Background, Burn-in, Xtreme burn-in
How should I know? The only way to say for certain is to actually do it. I could only estimate the maximum potential and then I'd get a psu that put that maximum at no more than 85% of the psu rated wattage.

What's the point?
post #43 of 60
Quote:
Originally Posted by Phantom_Dave View Post
LOL! I was waiting for that. Warranty does not cover downtime and hassles. Sometimes it doesn't even cover return shipping.

I'd rather spend a few extra bucks and get a bigger psu. That's all the warranty I need.
i dont disagree with you

all we are saying is this PSU is rated for continuous 850W. it can run at "100%" load allday errday
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yunojelly
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post #44 of 60
Quote:
Originally Posted by Phantom_Dave View Post
How should I know? The only way to say for certain is to actually do it. I could only estimate the maximum potential and then I'd get a psu that put that maximum at no more than 85% of the psu rated wattage.

What's the point?
I'm trying to make a point. Take a guess.
It's a computer!
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It's a computer!
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post #45 of 60
Quote:
Originally Posted by Phaedrus2129 View Post
Capacitors take years to age significantly.
When you're running the psu at 100% it doesn't take significant aging to cause issues.
post #46 of 60
One 580 = 550 watt

Two 580's = 800 watt

three 580's = 1050 watt (1 580 uses 250w)

so I would say no....
    
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post #47 of 60
Quote:
Originally Posted by Phantom_Dave View Post
When you're running the psu at 100% it doesn't take significant aging to cause issues.
The definition of significant is something that is of great enough magnitude that it is worth taking note of. Such as if it causes issues.

And he won't be running his PC at 100% load unless he decides to stress test all of his components at once.

However, a quality 900-1000W PSU would not be a bad investment. Just not 100% necessary.
post #48 of 60
Quote:
Originally Posted by robwadeson View Post
One 580 = 550 watt

Two 580's = 800 watt

three 580's = 1050 watt (1 580 uses 250w)

so I would say no....
As I wanted to point out to Phantom Dave, my system pulled a maximum of 497W from the wall outlet with the absolutely most stressful settings in Furmark enabled.

Now unfortunately, this number includes about 50W due to a combination of my monitor, speakers, cable modem, router, and a cordless phone on a charger (I always have my Kill A Watt plugged in).

So, that means my system by itself pulled about 447W from the wall which means my system pulled about 380W from my power supply.
Edited by TwoCables - 8/6/11 at 10:34am
It's a computer!
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #49 of 60
I am trying not to fall into the this trap of multi GPU's, since I have yet to play a game that needs more than I have. It would simply be for ego and to say I have 2 cards and scored 50 kagillion points in some benchmark no one really cares about but me.

Unless the OP is doing some really intense work that needs the extra GPU then he should not waste money just to say he has 3 580's when 2 or even one will do the trick with most games on high settings.
post #50 of 60
Personally i don't see the save some money and not be 100% sure. AX850 has 4 PCIE cable meaning it can run 2 cards and AX1200 has 6. You dont want to use the cables that come with the card to connect to a GTX580. If it was a smaller build wiht lower end GPU then saving up in PSU is a good idea but 3 x GTX580 you got to be mad to get a AX850 even if its enough.
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Ishimura
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Silent Knight
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