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Will 750W be enough for i7 3770 + 2x 6870s and other stuff?

post #1 of 7
Thread Starter 
Hi

Will my corsair tx 750 be good enough to hand an OC'd i7 3770k, 2x 6870s and my cooling setup which will include:

4x 120mm fans for push pull h100, 3x 200mm fans, 1x 230mm fan, and 2x 140mm fans?
    
CPUMotherboardGraphicsRAM
i7 3770k Asus Z77 sabertooth HD Radeon 6870 CF Corsair Vengeance Blue 16gb 
Power
Corsair 750W 
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CPUMotherboardGraphicsRAM
i7 3770k Asus Z77 sabertooth HD Radeon 6870 CF Corsair Vengeance Blue 16gb 
Power
Corsair 750W 
  hide details  
Reply
post #2 of 7
2x HD6870's? Man a good 550w would've been enough. Your 750w is complete overkill.
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Junkyard
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NAStradamous
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Crucial MX100 256GB WD Green 2TB DVDRW Corsair H50 Push / Pull 
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Windows 8.1 + Steam Big Picture / Plex HT 50" Insignia LED 1080p Logitech Rosewill Green 530w 
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Silverstone HTPC Logitech Pioneer 2.0 tower speakers + 135w RMS Rosewill MCE Remote 
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post #3 of 7
Thread Starter 
yay thank god lol. i was worried i'd have to dump more money on a psu.

thanks
    
CPUMotherboardGraphicsRAM
i7 3770k Asus Z77 sabertooth HD Radeon 6870 CF Corsair Vengeance Blue 16gb 
Power
Corsair 750W 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i7 3770k Asus Z77 sabertooth HD Radeon 6870 CF Corsair Vengeance Blue 16gb 
Power
Corsair 750W 
  hide details  
Reply
post #4 of 7
750 watt will definitely be enough. Even 3x that card wouldnt be a problem.smile.gif

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post #5 of 7
Thread Starter 
u can do 3 way 6870? :O
    
CPUMotherboardGraphicsRAM
i7 3770k Asus Z77 sabertooth HD Radeon 6870 CF Corsair Vengeance Blue 16gb 
Power
Corsair 750W 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i7 3770k Asus Z77 sabertooth HD Radeon 6870 CF Corsair Vengeance Blue 16gb 
Power
Corsair 750W 
  hide details  
Reply
post #6 of 7
you already dumped more on a 750w... should've just got a 550w~. too late now, have fun with your build though thumb.gif


edit: no you cant 3-way CFX HD6870s as far as i know, he was just saying that its too much of an overkill.
Edited by Innovative - 5/5/12 at 4:29am
post #7 of 7
Quote:
Originally Posted by Tori View Post

u can do 3 way 6870? :O

No. There is only one crossfire finger on the card.

Even if you bought the dual 6870 card you couldn't add another for 3/4 way because of a driver limitation (correct me if wrong).
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