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Power Supply and crossfire 6850s

Last response: in Graphics & Displays
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December 5, 2010 3:15:33 PM

Hiiiiii Everrrrybody!

I am currently running an AMD Phenom II x4 with 12gb of cas9 Gskill 1600 DDR3 RAM on a Gigabyte 790XTA UD4. My PSU is an Antec Earthwatts 650. I also have 60gb kingston SSD on the way. I am wondering if anyone would recommend a PSU upgrade to crossfire two 6850s? I will probably want to overclock them, and if I run into any bottleneck issues, I will overclock the PSU. I just really don't know if the Antec EW 650 can handle it properly? Any thoughts?

Thanks!

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a c 164 ) Power supply
December 5, 2010 3:31:12 PM

you will be fine with the antec. the ATI 6850 is very power efficient, you won't even break 400w total system power during gaming

CPU: Intel Core i7-920 @ 3.33GHz
Motherboard: Asus Rampage II Extreme
Chipset Drivers: Intel 9.1.1.1015 (Intel)
Hard Disk: OCZ Summit (120GB)
Memory: Patriot Viper DDR3-1333 3 x 2GB (7-7-7-20)


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December 5, 2010 3:35:44 PM

Thanks! I appreciate it!
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December 5, 2010 3:35:53 PM

Best answer selected by willmalcom.
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December 5, 2010 3:42:24 PM

ohhhh wait the 6850 requires both 6 pin connectors from the PSU ... what about that? I have never crossfired before
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a c 164 ) Power supply
December 5, 2010 4:11:49 PM

your PSU has a 6 pin and 6+2 pin power connector. the ATI 6850 only takes one each so run each power connector to each card, a 6+2 will fit a 6 pin socket.
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December 5, 2010 4:20:12 PM

Thanks! I was thinking it took two :/  Thanks!
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a b ) Power supply
December 5, 2010 8:53:33 PM

This topic has been closed by Mousemonkey
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