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Powering Dual 6950's?

Last response: in Components
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December 29, 2010 9:18:36 PM

Hey guys, I currently am building a Phenom II 955 OCed with a 6950 GPU and eventually adding another one. I am looking at a 850 Antec PSU but I am wondering if that will be enough once I crossfire?

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December 29, 2010 9:25:13 PM

SUS DRW-24B1ST/BLK/B/AS Black SATA 24X DVD Burner - Bulk - OEM
Item #: N82E16827135204
Return Policy: Standard Return Policy
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$19.99


COOLER MASTER HAF 922 RC-922M-KKN1-GP Black Steel + Plastic and Mesh Bezel ATX Mid Tower Computer Case
Item #: N82E16811119197
Return Policy: Standard Return Policy
-$20.00 Instant
$109.98
$89.98


SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive
Item #: N82E16822152185
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$69.99


ASRock 870 EXTREME3 AM3 AMD 870 SATA 6Gb/s USB 3.0 ATX AMD Motherboard
Item #: N82E16813157198
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-$20.00 Instant
$109.99
$89.99


XFX HD-695A-CNFC Radeon HD 6950 2GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card with Eyefinity
Item #: N82E16814150518
Return Policy: VGA Standard Return Policy
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Antec CP-850 850W Continuous Power CPX SLI Certified CrossFire Ready 80 PLUS Certified Modular Active PFC "compatible with ...
Item #: N82E16817371024
Return Policy: Standard Return Policy
-$20.00 Instant
$139.99
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Arctic Silver 5 Thermal Compound - OEM
Item #: N82E16835100007
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G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL7D-4GBRM
Item #: N82E16820231303
Return Policy: Memory Standard Return Policy
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AMD Phenom II X4 955 Black Edition Deneb 3.2GHz Socket AM3 125W Quad-Core Processor HDZ955FBGMBOX
Item #: N82E16819103808
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AMD Battlefield Bad Company 2 Gift Coupon
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Microsoft Windows 7 Home Premium 64-bit 1-Pack for System Builders - OEM
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COOLER MASTER Hyper 212 Plus RR-B10-212P-G1 "Heatpipe Direct Contact" Long Life Sleeve 120mm CPU Cooler Compatible Intel ...
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Sorry, this may be better to view.
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a b ) Power supply
December 29, 2010 10:43:18 PM

Antec CP-850 850W Continuous Power CPX SLI Certified CrossFire Ready 80 PLUS Certified Modular Active PFC "compatible with ...
Item #: N82E16817371024
Return Policy: Standard Return Policy
-$20.00 Instant
$139.99
$119.99
this wont work, this is one of antec's proprietary cpx form factor units that only works in select ANTEC cases NOT COOLERMASTER...

you can use this instead
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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December 29, 2010 10:59:30 PM

Phew, thanks. Any other problems you see?
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a b ) Power supply
December 29, 2010 11:03:52 PM

one thing: avoid samsung hard drives. they are of less quality and less reliable than wd. i would go for a wd caviar black 1tb.

other than that youre fine
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December 31, 2010 1:32:59 PM

umm im going to disaree with shovenose here on the HDD, the samsung f3 hdd's are undoubtedly one of the best hdd's available on the market recommended by almost everyone.
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a b ) Power supply
December 31, 2010 2:43:22 PM

Yep, I have Samsungs in raid and they have been absolutely faultless and whisper quiet.

I am also going to say you could easily run that setup with a decent 750w psu although the 850w Corsair SN suggested is a good option and a good price but heres a couple more options.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Not sure of your budget but the Seasonic would be my 1st choice.
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December 31, 2010 3:44:28 PM

Thanks a bunch guys, I ended up ordering that list, minus I got a small 320G hard drive because I am going with a SSD and a 2TB down the road but funds wouldn't allow currently. Thanks for all the help fellas.
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December 31, 2010 4:28:28 PM

I wasn't sure about this, I didn't want to spend $230 for a x6 quite yet. There is a strong possibility I'll end up upgrading the CPU within the next 2 years, So i rather save some money now and be able to splurge when the next gen comes around.
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