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750W enough for this upgrade?

post #1 of 11
Thread Starter 
I'm upgrading my sig rig to 2 gtx 560s and plan on OCing them as far as i could along with pushing my i5 to 4.0 + 2 more sticks of ram (2x2GB low volt ones) and considering watercooling in the future.

Considering a TX-750 only atm ($99 + 20 MIR @ Newegg)

Thanks
    
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post #2 of 11
170W each


Ill guesstimate at max load the rig in total will use about 565W so yea 750 should do it.

Check ampage

Each video card needs 14 Amps
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post #3 of 11
Thread Starter 
60 amps according to newegg
    
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post #4 of 11
You'll be fine on a good 650W unit.
If you want a 750W unit then don't get a Corsair TX750. http://www.newegg.com/Product/Produc...82E16817207009 costs the same and is a better unit.
post #5 of 11
You only need 47 if you properly distribute it.
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post #6 of 11
Thread Starter 
One of the reasons i'm going w/ the corsair is because of the size. I'm planning to watercool my system (which i'm moving to a cm 690 ii) and the xfx would prevent me from installing a bottom rad... anything over 6.3" would cause issues with a bottom rad from what i've researched
Edited by JetEnduro - 1/28/11 at 1:43pm
    
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post #7 of 11
Thread Starter 
well I can get an AX850 for the same price of the AX750. I'll guess I'll go with that. Can't get better than the Seasonic X series eh?
    
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post #8 of 11
I would get an Antec TPN-650 for $90. No need to fork out so much for an AX850. 850w would be a waste for only two GTX 560's.
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post #9 of 11
Quote:
Originally Posted by GameBoy View Post
I would get an Antec TPN-650 for $90. No need to fork out so much for an AX850. 850w would be a waste for only two GTX 560's.
This.

For the record, I've got enough room on my PSU still to add another 470 for SLI, and keep my 240 for PhysX and folding.
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post #10 of 11
A good 750w is more than enough to do everything you listed in your original post. I have a TX-750, great PSU.
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