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PSU for GTX 580 SLI and GTX 260 Phsyix??

post #1 of 14
Thread Starter 
I am sure the Corsair AX1200 is enought to run my system with GTX580 in SLI and a GTX 260?
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i7 980X @ 4.1 eVGA X58 Classified eVGA GTX 780 Classified SLI 12 GB DDR 3 GSkill Ripjaws 
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My System
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CPUMotherboardGraphicsRAM
i7 980X @ 4.1 eVGA X58 Classified eVGA GTX 780 Classified SLI 12 GB DDR 3 GSkill Ripjaws 
Hard DriveOSMonitorKeyboard
Samsung 240GB SSD / 1TB Mushkin SSD Win 8.1 64 Bit Acer XB270HU Logitech G710+ 
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Corsair AX1200 ANTEC 1200 Logitech G700s 
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post #2 of 14
uhh..
the 580's will have to wait while the 260 does te physx calculations..

you'd be better without it.

and yeah, corsair 1200 can easily handle it.
    
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Intel i3 540 P7H55M-Pro XFX 6770 OCZ Platinum 
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post #3 of 14
Thread Starter 
Or do you think my Corsair HX1000 is enough
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i7 980X @ 4.1 eVGA X58 Classified eVGA GTX 780 Classified SLI 12 GB DDR 3 GSkill Ripjaws 
Hard DriveOSMonitorKeyboard
Samsung 240GB SSD / 1TB Mushkin SSD Win 8.1 64 Bit Acer XB270HU Logitech G710+ 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 980X @ 4.1 eVGA X58 Classified eVGA GTX 780 Classified SLI 12 GB DDR 3 GSkill Ripjaws 
Hard DriveOSMonitorKeyboard
Samsung 240GB SSD / 1TB Mushkin SSD Win 8.1 64 Bit Acer XB270HU Logitech G710+ 
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Corsair AX1200 ANTEC 1200 Logitech G700s 
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post #4 of 14
Quote:
Originally Posted by SAMOEDADDY View Post
Or do you think my Corsair HX1000 is enough
For two 580s? Yes.
post #5 of 14
There's a thread somewhere here where someone tested a rig with a dedicated physX card and no physX card...and the performances were better on average of 3 frames without the physX card...I wish I could find that tread! I was going to use a dedicated physX card too before I saw the results of those tests in the games.
    
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post #6 of 14
Thread Starter 
So then I will just get the 2 580's with no 260 and stick with my current PSU.
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CPUMotherboardGraphicsRAM
i7 980X @ 4.1 eVGA X58 Classified eVGA GTX 780 Classified SLI 12 GB DDR 3 GSkill Ripjaws 
Hard DriveOSMonitorKeyboard
Samsung 240GB SSD / 1TB Mushkin SSD Win 8.1 64 Bit Acer XB270HU Logitech G710+ 
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Corsair AX1200 ANTEC 1200 Logitech G700s 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 980X @ 4.1 eVGA X58 Classified eVGA GTX 780 Classified SLI 12 GB DDR 3 GSkill Ripjaws 
Hard DriveOSMonitorKeyboard
Samsung 240GB SSD / 1TB Mushkin SSD Win 8.1 64 Bit Acer XB270HU Logitech G710+ 
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Corsair AX1200 ANTEC 1200 Logitech G700s 
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post #7 of 14
Quote:
Originally Posted by SAMOEDADDY View Post
So then I will just get the 2 580's with no 260 and stick with my current PSU.
Why do you need two GTX 580s?
post #8 of 14
Ahh I found it! Performance drops with a dedicated physX card in most cases. with two 580's phys X calculations are like working with a mocrosoft word document with a 980X..

http://www.overclock.net/nvidia/9143...ng-thread.html
    
CPUMotherboardGraphicsRAM
i7 3770k ASUS Sabertooth Z77 EVGA GTX 670 Classified 16 GB Corsair Vengeance 
Hard DriveOptical DriveOSMonitor
240GB Intel SSD | 500GB WD Caviar green LG BD-Rom Windows 7 Ultimate 64 Bit ASUS PB278Q "27 260x1440  
KeyboardPowerCaseMouse
HP Wireless Elite Antec 1200 HCP Corsair 600T Special Edition Logitech G700 
Mouse PadOtherOther
ALLSOP Wacom Intuos 5 Medium 3D Connexion Space Mouse Pro 
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CPUMotherboardGraphicsRAM
i7 3770k ASUS Sabertooth Z77 EVGA GTX 670 Classified 16 GB Corsair Vengeance 
Hard DriveOptical DriveOSMonitor
240GB Intel SSD | 500GB WD Caviar green LG BD-Rom Windows 7 Ultimate 64 Bit ASUS PB278Q "27 260x1440  
KeyboardPowerCaseMouse
HP Wireless Elite Antec 1200 HCP Corsair 600T Special Edition Logitech G700 
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post #9 of 14
Look at my results on that thread. My conclusion based on the graphs I did is that having a dedicated physX card is nice. I also think a 260 is plenty of power to NOT bottleneck your SLI580's, and will in fact improve your perf in gpu-physX games.

Trust me when I say, running physX directly on an SLI array is really not what you want, esp. in Mafia 2. You get the full perf hit from physX on both cards, plus the cloth physX runs on the CPU ... and really bad scaling results from it.

If you care about the physX games, it's nice to have a physX card. And gtx260 is a good match for 580's in SLI.

But if you DON'T ... then don't get it.
Edited by brettjv - 1/23/11 at 12:42pm
    
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xeon X5675 6-core @ 4.1ghz (1.29v, 20x205 +ht ) rampage iii extreme msi rx470 gaming X (the $159 budget king) 3 x 2gb corsair xms3 pc12800 (9-9-9-24-1T@1600MHz) 
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xeon X5675 6-core @ 4.1ghz (1.29v, 20x205 +ht ) rampage iii extreme msi rx470 gaming X (the $159 budget king) 3 x 2gb corsair xms3 pc12800 (9-9-9-24-1T@1600MHz) 
Hard DriveOptical DriveCoolingOS
hynix 250gb ssd (boot), 2tb deskstar (apps),1tb... plextor px-712sa - still the best optical drive... corsair h8o v2 aio W10 home 
MonitorPowerCaseAudio
asus vw266h 25.5" (1920x1200) abs sl (enermax revolution) * single 70A rail 850w silverstone rv-03 XFi Titanium 
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post #10 of 14
Thread Starter 
Quote:
Originally Posted by Live_free View Post
Why do you need two GTX 580s?
There is alot of things in life we dont need! LOL. I just want, cause I can and this is my hobby. LOL. Thanks
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 980X @ 4.1 eVGA X58 Classified eVGA GTX 780 Classified SLI 12 GB DDR 3 GSkill Ripjaws 
Hard DriveOSMonitorKeyboard
Samsung 240GB SSD / 1TB Mushkin SSD Win 8.1 64 Bit Acer XB270HU Logitech G710+ 
PowerCaseMouse
Corsair AX1200 ANTEC 1200 Logitech G700s 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 980X @ 4.1 eVGA X58 Classified eVGA GTX 780 Classified SLI 12 GB DDR 3 GSkill Ripjaws 
Hard DriveOSMonitorKeyboard
Samsung 240GB SSD / 1TB Mushkin SSD Win 8.1 64 Bit Acer XB270HU Logitech G710+ 
PowerCaseMouse
Corsair AX1200 ANTEC 1200 Logitech G700s 
  hide details  
Reply
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