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Good quality PSU for 6970 Lightning?  

post #1 of 22
Thread Starter 
soon ill be purchasing this and i will need a good psu.
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post #2 of 22
I suggest http://www.newegg.com/Product/Product.aspx?Item=N82E16817371047.
post #3 of 22
Thread Starter 
i may be wrong but a 520w seems low for a 6970 and x6.
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CMStorm Quick Fire. CM 1050w  Cooler Master Cosmos II Roccat Kone XTD (Optical) 
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Main Rig
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CMStorm Quick Fire. CM 1050w  Cooler Master Cosmos II Roccat Kone XTD (Optical) 
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post #4 of 22
Quote:
Originally Posted by disturbed117;13918928 
i may be wrong but a 520w seems low for a 6970 and x6.



You are wrong, 520w will do. 650 is enough for crossfire.
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post #5 of 22
Nope, he's got it right, you'll be absolutely fine with that PSU. You could also opt for a Seasonic M12II 520W Modular or an Antec Truepower New 550W if you want a modular PSU.
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post #6 of 22
Thread Starter 
ok. i was just going by phaedrus PSU calc. 6970+x6 = 500w. i would like some play room so Any recommendations on a good modular 750w psu. xfire may be an option in the future + i plan on water cooling, i guess i should have added that in the op.
nice to know im wrong for a change biggrin.gif
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CPUMotherboardGraphicsRAM
R7 1800x ASUS Prime 370 Pro RX 480 Corsair Dominator 
Hard DriveOptical DriveOSMonitor
Samsung 850 Pro  None Windows 10 Pro HP w19e: 1440x900 | Sony KDL40S-5100 1920x1080 
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CMStorm Quick Fire. CM 1050w  Cooler Master Cosmos II Roccat Kone XTD (Optical) 
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post #7 of 22
Quote:
Originally Posted by disturbed117;13918928 
i may be wrong but a 520w seems low for a 6970 and x6.

Yep, you're wrong smile.gif
Check out the Furmark load graph at http://www.anandtech.com/show/4061/amds-radeon-hd-6970-radeon-hd-6950/24 -- their whole test system was drawing 361W from the wall during that test. That means ~306W from a ~85% efficient PSU. Instead of the Antec HCG-520 I might even suggest the XFX 450W which would work just as well and cost less, so it's up to you!
post #8 of 22
My calculator includes "headroom", "playroom", "OC room", and all that other guff.
post #9 of 22
Thread Starter 
ok. but i think im gonna aim for a minimum of 750w Any recommendations.
Main Rig
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R7 1800x ASUS Prime 370 Pro RX 480 Corsair Dominator 
Hard DriveOptical DriveOSMonitor
Samsung 850 Pro  None Windows 10 Pro HP w19e: 1440x900 | Sony KDL40S-5100 1920x1080 
KeyboardPowerCaseMouse
CMStorm Quick Fire. CM 1050w  Cooler Master Cosmos II Roccat Kone XTD (Optical) 
  hide details  
Main Rig
(12 items)
 
  
CPUMotherboardGraphicsRAM
R7 1800x ASUS Prime 370 Pro RX 480 Corsair Dominator 
Hard DriveOptical DriveOSMonitor
Samsung 850 Pro  None Windows 10 Pro HP w19e: 1440x900 | Sony KDL40S-5100 1920x1080 
KeyboardPowerCaseMouse
CMStorm Quick Fire. CM 1050w  Cooler Master Cosmos II Roccat Kone XTD (Optical) 
  hide details  
post #10 of 22
Why do you want a 750w for a single 6970? 520w is enough for a GTX 580, let alone a 6970 which consumes a fair amount less.
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jbl lsr305 
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