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PSU Enough - Page 2

post #11 of 27
Thread Starter 
Just an update. I got my psu back on friday but I wasnt able to try it until today. Psu still would not power both of these cards. I've gone over the specs and everything and I am not exactly sure where the issue is, but I am hoping corsair will refund me since it is out of microcenters hands now, and I will probably go for the silverstone 1500watt. I'm still very unsure as to why it keeps doing this, but I am not trying it a third time.
post #12 of 27
I will let some people more knowledgeable than me answer you for sure but I can't imagine the problem being not enough power, 1.2kw is a whole lot for just SLI 580. I would guess a grounding problem or a short or something like that.
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post #13 of 27
I'm taking a long shot here, but maybe this has something to do with the wall outlet.
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It's a computer!
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post #14 of 27
Thread Starter 
Well I have it plugged into a surge protector, but I suppose it might not be able to draw enough for both of those cards. my 1000 watt works just fine to power one of these cards, but I wont risk it by putting the other in. I do have two surge protectors connected to the one outlet. I will grab an extension cable and plug the other surge protector into another outset source just to make sure, however, the issue is being taken care of. I am also going to end up grabbing the silverstone 1500w just to be sure after my 1200 watt is refunded. The only things I plug in behind my desk are my two monitors 27 inch samsungs and my desktop computer. the other surge protector has my directtv box, and ps3. Also, the set of speakers are on my computer power strip. I have no idea what a wall socket is capable of handling. That would probably be some good information to find out. Plus the house is pretty old, at least 30 years, but non the less, 1000w psu on a powerful overclocked system before this ran just fine with this setup. I will move some cables around behind the desk just to be sure I am not pulling too much from the one socket, but like I said, it seemed to have worked just fine on a 1000w psu. Ill keep you updated.
post #15 of 27
Thread Starter 
http://hardforum.com/showthread.php?t=1209788

This might also be a good read. Has some good input on wall outlets and what they can handle, even for older homes. I do not know if the circuitry was ever updated. I would hope it was at some point, however, things will still turn on from what I understand just from reading those posts. the very last post on that page clarifies alot as it relates to my home the most. From the brief reading I did there, if it drew too much power, it would trip the breaker, not cause the psu to stop working. I did switch some cables behind the desk to different outlets. Back to topic though, if the psu drew too much power from the surge protector or wall socket, the breaker would trip.
post #16 of 27
Yeah, but a quality 1200W is way more than enough to power a system with two GTX 580s in it. Guru3D got their test system to pull 719W from the wall outlet with two GTX 580s in SLI under full stress (proof). If I assume 85% efficiency, then that would mean the system pulled almost 612W from the power supply. If I add the recommended 150W for the rest of the system, then that comes out to be about 762W of power being pulled from the PSU.

So even something like Corsair's HX850 is enough.

It has to be something other than the PSU. There's no need for anything with more capacity than a quality 850W unit.
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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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It's a computer!
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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 #17 of 27
1200w is MORE than enough power, pretty sure you have enough left over to jump start a car haha
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post #18 of 27
Thread Starter 
well you also have to remember that these are the msi lightning cards which pull slightly more power. I did take a few more precautionary measures. I went out today to get a ups which I should have done a long time ago, just in case of voltage drops, and I will be getting the silverstone 1500w just to be sure. I managed to get a refund on the 1200w, and the 1500w is only 60 bucks more right now. I figure what the hell. Hopefully, with all of these measures between moving some cabling around and getting a ups, along with a better psu (by a more respected brand), everything will do just fine once I get it all hooked up once again.
post #19 of 27
How much more power do they consume? Is there a PSU requirement printed on the retail box that they came in? I want to know what it is.

I sincerely doubt that they pull that much more power that a top-of-the-line 1200W power supply can't handle it.
It's a computer!
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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 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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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 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #20 of 27
Two 580's will never over-power a 1200w, no matter how much they're pulling. 1500w is overkill. I think it was just a bad batch from Corsair AX850 would go 24/7 with that rig.
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