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Minimun PSU for a SLI GTX 580?? Also How To Cool.....

post #1 of 36
Thread Starter 
Ok so I might be able to get my hands on another 580 at a good price. I now only have a Seasonic X760 (750w).

I know bigger is better, but will this at least run them without an overclock?
Edited by kzim9 - 3/5/12 at 11:38am
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Koolance RP-452X2   240mm (11 fpi) 360mm (11 fpi) (x2) Rads480mm (... Koolance INS-FM18  Koolance Fittings, Coolant 
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post #2 of 36
a good 850 watt will do. I am running my rig with an ax850 and its overclocked, runs perfect and I have room to spare thumb.gif
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post #3 of 36
what is your other system config??

Processor, mobo, ram, HDD blah blah blahhhhh

Give us the jucy details biggrin.gif
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post #4 of 36
Quote:
Originally Posted by Ratjack View Post

a good 850 watt will do. I am running my rig with an ax850 and its overclocked, runs perfect and I have room to spare thumb.gif

850w would be about right.

PSU Calc says 775w with no overclock.
Edited by White Fire - 3/4/12 at 5:25pm
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post #5 of 36
750w will work fine with no OC on the cards.
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post #6 of 36
Thread Starter 
Rig spec are for the kz9 rig in my sig.

I might have jumped the gun posting this before I googled. I think I might aswell order up the X-1050 from NICX so I can run this, My only problem if I do get another card is being able to fit my Sound card in there too, not to mention the fact that the card will be right on top of each other as they are 2.5 slot cards.

I might have to do the Antec kuhler 620 mod on them so they will stay cool.....
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ROG - 24/7
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kz9
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i7-875K Asus Maximus lll Formula Evga GTX 560 (2GB) Evga GTX 560 (2GB) 
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G.Skill RipJaws X OCZ Vertex 3  Western Digital Cavier Green Asus DVD-RW 
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Windows 7 Ultimate Asus V247 Azio Levetron KB528U Corsair TX650  
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DIY Alpha GT3 Saitek R.A.T 5 Walmart Logitech 2.1 
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Asus Xonar DX 7.1 Trident DVI KVM 
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3930k Asus Sabertooth X79 Asus GTX 680 Asus GTX 680 
RAMHard DriveHard DriveHard Drive
G.Skill RipJaw OCZ Vertex 3 OCZ Vertex 3 OCZ Vertex 3 
Hard DriveHard DriveOptical DriveCooling
OCZ Vertex 3 Western DigitalCavier Green Asus Bluray Writer Koolance CPU-370 
CoolingCoolingCoolingCooling
DCB-FM01 Koolance CTR-SPD24X2  Vans - (Lampton FC5) Fan Controller Koolance PMP-450 (x2) 
CoolingCoolingCoolingCooling
Koolance RP-452X2   240mm (11 fpi) 360mm (11 fpi) (x2) Rads480mm (... Koolance INS-FM18  Koolance Fittings, Coolant 
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Triebwerk Quiet 120mm fans Koolance MB-ASSTX79  Koolance VID-NX680 (x2) Windows 7 Professional 
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kz9
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CPUMotherboardGraphicsGraphics
i7-875K Asus Maximus lll Formula Evga GTX 560 (2GB) Evga GTX 560 (2GB) 
RAMHard DriveHard DriveOptical Drive
G.Skill RipJaws X OCZ Vertex 3  Western Digital Cavier Green Asus DVD-RW 
CoolingOSMonitorKeyboard
Antec kuhler 920 Window 7 Home 64 LG 42'' LCD Rapoo Low Pro Wireless 
PowerCaseMouseOther
OCZ Fatality 1000w Lian Li T60 Rapoo Hauppauge HVR-2250 
CPUMotherboardGraphicsRAM
2600k Asus Maximus lV Extreme Asus GTX 580 Patriot Viper Extreme Division 2 
Hard DriveHard DriveOptical DriveCooling
OCZ Vertex 3 Max IOPS Western Digital Cavier Green Asus DVD-RW Corsair H-100 
OSMonitorKeyboardPower
Windows 7 Ultimate Asus V247 Azio Levetron KB528U Corsair TX650  
CaseMouseMouse PadAudio
DIY Alpha GT3 Saitek R.A.T 5 Walmart Logitech 2.1 
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Asus Xonar DX 7.1 Trident DVI KVM 
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3930k Asus Sabertooth X79 Asus GTX 680 Asus GTX 680 
RAMHard DriveHard DriveHard Drive
G.Skill RipJaw OCZ Vertex 3 OCZ Vertex 3 OCZ Vertex 3 
Hard DriveHard DriveOptical DriveCooling
OCZ Vertex 3 Western DigitalCavier Green Asus Bluray Writer Koolance CPU-370 
CoolingCoolingCoolingCooling
DCB-FM01 Koolance CTR-SPD24X2  Vans - (Lampton FC5) Fan Controller Koolance PMP-450 (x2) 
CoolingCoolingCoolingCooling
Koolance RP-452X2   240mm (11 fpi) 360mm (11 fpi) (x2) Rads480mm (... Koolance INS-FM18  Koolance Fittings, Coolant 
CoolingCoolingCoolingOS
Triebwerk Quiet 120mm fans Koolance MB-ASSTX79  Koolance VID-NX680 (x2) Windows 7 Professional 
MonitorMonitorKeyboardPower
Asus VE247 ( x2) Asus VG278H Levetron Mech 5 Seasonic X760 
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post #7 of 36
Quote:
Originally Posted by kzim9 View Post

Rig spec are for the kz9 rig in my sig.
I might have jumped the gun posting this before I googled. I think I might aswell order up the X-1050 from NICX so I can run this, My only problem if I do get another card is being able to fit my Sound card in there too, not to mention the fact that the card will be right on top of each other as they are 2.5 slot cards.
I might have to do the Antec kuhler 620 mod on them so they will stay cool.....

you will be SOL on the soundcard. with that motherboard using up all those slots your going to have to use onboard or buy an external DAC.
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3x Samsung Spinpoint F3 1TB Crucial M4 128GB Asus DVD drive H100 
OSMonitorKeyboardPower
Windows 7 professional Samsung 27" LCD 1080p Ducky Shine (MX brown) AX850 
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Corsair 600T SE White Logitech mx518 Steelseries QCK+ ASUS Xonar DX 
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BeyerDynamics DT770 Pro 80 ohm 
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Game Rig
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i7-2700k @ 5Ghz  ASUS P8Z68-v Gen 3 GTX 1070 X 16GB Corsair Vengeance  
Hard DriveHard DriveOptical DriveCooling
3x Samsung Spinpoint F3 1TB Crucial M4 128GB Asus DVD drive H100 
OSMonitorKeyboardPower
Windows 7 professional Samsung 27" LCD 1080p Ducky Shine (MX brown) AX850 
CaseMouseMouse PadAudio
Corsair 600T SE White Logitech mx518 Steelseries QCK+ ASUS Xonar DX 
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BeyerDynamics DT770 Pro 80 ohm 
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post #8 of 36
I ran furmark for 10 minutes with a pair of 480's and my hx750 and now run my 580's at 925 core and it never even flinches. I TRIED to trip it up with those 480's and couldn't. I'm betting you're good.

Sent from my Desire HD using Tapatalk
post #9 of 36
That and the X760 is literally the best 750w power supply you can buy. I'd say you're good.
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Red Thunder
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OSMonitorKeyboardPower
Windows 7 Ultimate 64-bit Samsung SyncMaster E1920X Logitech K120 Corsair GS700 
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NZXT Phantom Razer Naga None Realtek ALC892 
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post #10 of 36
a good 750w should do, but i would go with a 850w or higher just to future-proof yourself.
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