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Can a 550W PSU run SLI 560 Ti's?

post #1 of 12
Thread Starter 
Before you go and immediately post no, please read -

I'm eyeing a set of 560 Ti's in the for sale section, but I only have the budget for a 550W PSU. I know that Phaedrus's Quick N Dirty PSU guide says that dual 560 Ti's would need a 650W power supply, but I found a post on Tom's that says that each card draws around 150W at peak usage. So two cards = 300W + i7 920 (150W) ends up with 450W with room to spare for the other components, right?

Please correct me if I'm wrong, I don't want to make a blunder. Thanks e'rryone.
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Marshmallow
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post #2 of 12
I'd get a 650W just to be on the safe side.
Edited by N7-OC - 7/29/11 at 4:40pm
 
[3IR] STG
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[3IR] STG
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post #3 of 12
would also like to know this
i5 2500k
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i5 2500k
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post #4 of 12
It would be tight. I recommend a 650W for such systems.
post #5 of 12
Yeah.... that is not going to happen. You should have at least a really high quality 600-620W, but I recommed a 650W. My TX650 can easily power 2 560Tis.
 
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Gsvlip Dudyrm
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post #6 of 12
Sorry for this being off topic but would an 850 power 2 570s?
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post #7 of 12
Thread Starter 
Quote:
Originally Posted by ironsurvivor View Post
Sorry for this being off topic but would an 850 power 2 570s?
Get your own thread. Read the stickies.

Anyway, thanks to everyone else. I'll just be getting a used GTX 580 then.
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Marshmallow
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post #8 of 12
550w ? noway that will work . I used to use a 665w with my sig rig on 1 6970 and it would just switch of due to lack of power .

Get 650 or 700 atleast if u wanna hold that power .

you will find that 550w psu probably isnt even 550w .
    
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post #9 of 12
Thread Starter 
Quote:
Originally Posted by Xristo View Post
I used to use a 665w with my sig rig on 1 6970 and it would just switch of due to lack of power
Better check your other components because a 500W would easily power a 6970
Marshmallow
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Marshmallow
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post #10 of 12
Quote:
Originally Posted by Xristo View Post
550w ? noway that will work . I used to use a 665w with my sig rig on 1 6970 and it would just switch of due to lack of power .

Get 650 or 700 atleast if u wanna hold that power .

you will find that 550w psu probably isnt even 550w .
Pheadrus as spoken Phea > you
 
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Gsvlip Dudyrm
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Oda'maksv
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OSMonitorKeyboardPower
Windows 10 Asus MG279Q - 24" 144Hz 1080p Filco Majestic II w/ Cherry Reds Seasonic X 760W 
CaseMouseMouse PadAudio
Bitfelix Prodigy Logitech G400 Razer Goliath AKG A701 
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JDS Labs Objective 2 JDS Labs ODAC 
CPUMotherboardGraphicsRAM
Core i5 750 3.99 (190x21) 1.376v Load ASUS P7P55d-E Pro GTX 670 FTW <- Poor overclocker :( 8GB (4x2GB) G.Skill DDR3 1600 
Hard DriveHard DriveOptical DriveOS
Samsung 830 Evo 128GB 2x 2TB  Some DVD drive OSX 10.10.4 
MonitorPowerCaseMouse
Asus 1080P Crap TX 750 HAF 922 G400s 
Mouse PadOther
Apple Keyboard Xbox One controler 
CPURAMHard DriveHard Drive
C2D 2,26GHz under volted @ .978v 8GB  Crucial M4 64GB SSD 500GB Scorpio Black 
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