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AMD 6950 Crossfired -> Recommended PSU wattage? - Page 2

post #11 of 63
Quote:
Originally Posted by Drybones5;13497710 
Corsair 1000HX is what is availble

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139007

$230 is kind of pricey for me. The computer build is $1620 which includes AMD FX series, Crosshair V, 8gig DDR 3 1600, XFX 6950, Corsair 650TX, Raven RV02-E, Logitech G510, G35, G9x, and a 1TB WD 7200 drive

Well, the most important thing to ask yourself (IMO) is: do you need a modular Power Supply? If not, the Corsair TX-750 v2 is the best Power Supply you'll get at the $100 range.

A word of advice: don't get the first version of the TX-750. It's less efficient, costs more or the same, and has bad ripple.

If you need a fully modular Power Supply, I'd recommend the Corsair HX-750. For what you'll be running, these will provide more than ample power.

The breakdown:
2x Radeon HD 6950 2GB: 365W ATW (at the wall)
Phenom II X6 at 1.45V: 200W ATW
Peripherals: 50W

Total: 615W ATW. This is with all components at max load. Taking into account 85% efficiency, that's 525W the PSU has to produce. They won't break a sweat.
    
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post #12 of 63
Thread Starter 
Quote:
Originally Posted by Ocnewb View Post
Get the AX850, very good PSU and i'm sure it will power 2x 6950 just fine. I think it can run 3x of them easily. The AX850 is only around $160+ after rebate on Newegg (Link).

Edited: I think the AX is better. It's gold+ and it's full modular + flat cables.
Well anyways, I don't care for mail in rebates as they either expire or w/e so I always look at the price I'm paying up front.


The AX850 looks great and I would love it except it's a $90 difference than the 650TX

I'm already going way over my planned budget with my build
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post #13 of 63
Quote:
Originally Posted by Drybones5 View Post
Well anyways, I don't care for mail in rebates as they either expire or w/e so I always look at the price I'm paying up front.


The AX850 looks great and I would love it except it's a $90 difference than the 650TX

I'm already going way over my planned budget with my build
Look at my recommendation. You don't have to spend $200 on a good Power Supply.
    
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post #14 of 63
Thread Starter 
Quote:
Originally Posted by LOL_Wut_Axel View Post
Well, the most important thing to ask yourself (IMO) is: do you need a modular Power Supply? If not, the Corsair TX-750 v2 is the best Power Supply you'll get at the $100 range.

A word of advice: don't get the first version of the TX-750. It's less efficient, costs more or the same, and has bad ripple.

If you need a fully modular Power Supply, I'd recommend the Corsair HX-750. For what you'll be running, these will provide more than ample power.

The breakdown:
2x Radeon HD 6950 2GB: 365W ATW (at the wall)
Phenom II X6 at 1.45V: 200W ATW
Peripherals: 50W

Total: 615W ATW. This is with all components at max load. Taking into account 85% efficiency, that's 525W the PSU has to produce. They won't break a sweat.

Sounds good.

I don't NEED a modular PSU, but one would be nice to have with the Raven RV02 case I'm planning on getting since the cables could be laying on the bottom where the intake fans are at.
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post #15 of 63
Thread Starter 
Is this the version 2 one you were talking about? http://www.newegg.com/Product/Produc...82E16817139021
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post #16 of 63
Quote:
Originally Posted by LOL_Wut_Axel View Post
Well, the most important thing to ask yourself (IMO) is: do you need a modular Power Supply? If not, the Corsair TX-750 v2 is the best Power Supply you'll get at the $100 range.

A word of advice: don't get the first version of the TX-750. It's less efficient, costs more or the same, and has bad ripple.

If you need a fully modular Power Supply, I'd recommend the Corsair HX-750. For what you'll be running, these will provide more than ample power.

The breakdown:
2x Radeon HD 6950 2GB: 365W ATW (at the wall)
Phenom II X6 at 1.45V: 200W ATW
Peripherals: 50W

Total: 615W ATW. This is with all components at max load. Taking into account 85% efficiency, that's 525W the PSU has to produce. They won't break a sweat.
The HX750 is a good psu, but it's not full modular. Gotta go with AX line or better yet get the real deal, Seasonic. You could save a couple bucks and Get a Silverstone Strider 750, its full mod and has optional short cable kit.
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post #17 of 63
I went for a 900w antec gamer, got it for $169. Powers my 2 6950's just fine.
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post #18 of 63
Quote:
Originally Posted by tsm106 View Post
The HX750 is a good psu, but it's not full modular. Gotta go with AX line or better yet get the real deal, Seasonic. You could save a couple bucks and Get a Silverstone Strider 750, its full mod and has optional short cable kit.
Yes it is, for all intents and purposes. The only cable that is hardwired is the 24-pin motherboard connector, which you need to use anyway. All others are modular. Also, the OEM of the HX-750 is Seasonic.

Quote:
Originally Posted by Drybones5 View Post
Is this the version 2 one you were talking about? http://www.newegg.com/Product/Produc...82E16817139021
Yes.

Quote:
Originally Posted by Drybones5 View Post
Sounds good.

I don't NEED a modular PSU, but one would be nice to have with the Raven RV02 case I'm planning on getting since the cables could be laying on the bottom where the intake fans are at.
Again, if you want fully modular, look into the HX-750. It's $140, which is a reasonable price. Plus it comes with a 7 year warranty.
    
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post #19 of 63
Two overclocked 6950's can run easily on a 750W psu. These are not power hungry like GTX 480's.
post #20 of 63
HX line is not full modular.
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