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What PSU do I need for this rig and how good will it perform?

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November 25, 2012 7:59:49 PM



I'm wondering if I could get some PSU wattage estimates from you guys. I don't know whether to trust the Newegg one or not.

MY RIG :
AMD Phenom II x4 965 BE 3.20Ghz
8GB G.Skill DDR3 1333 RAM
1TB 7200RPM HDD
2x Sapphire AMD Radeon HD 6950 2GB (CrossfireX)
OS : Windows 7 Ultimate 64bit

Thanks! (By the way right now I'm using a 630w Raidmax PSU with only 1 6950.)

More about : psu rig good perform

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November 29, 2012 12:26:38 AM

Guys I'm doing Crossfire.. so I need recommendations for PSU's for that. would a 630w really be adequate?
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a b ) Power supply
November 29, 2012 12:34:05 AM

Dont trust that calculator.

Mousemonkey is running Sli 660 Ti on 620 W.

And keep in mind that XFX 650W will deliver more than 650W.

So no worries
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November 29, 2012 3:07:24 AM

prototype18 said:
Dont trust that calculator.

Mousemonkey is running Sli 660 Ti on 620 W.

And keep in mind that XFX 650W will deliver more than 650W.

So no worries


So would I be straight with crossfire 6950 2gb's on a raidmax 630W?

This PSU to be exact.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Edit : My card uses about 50W more than mousemonkey's as well. so...
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a b ) Power supply
a b À AMD
November 29, 2012 9:23:13 AM

Raidmax may report the 630w under full load; not good for longevity. That's why I recommend either corsair, antec, or ocz. They report the load ratings at about 80% peak which means they are less likely to fail.
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a b ) Power supply
November 29, 2012 9:55:59 AM

Well that is raidcrappy. Its not even a PSU.

Take the one i suggested to ! You can t go wrong.Its made by seasonic and just great.Delivers even more than 650W.

Dont worry
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November 29, 2012 3:04:49 PM

prototype18 said:
Well that is raidcrappy. Its not even a PSU.

Take the one i suggested to ! You can t go wrong.Its made by seasonic and just great.Delivers even more than 650W.

Dont worry



and 650w Will let me do crossfire, I don't want to buy a PSU then have to return it.
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