Ati 7950 crossfire

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IQT786

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#1 IQT786
Member since 2005 • 2604 Posts
I'm going to be putting two 7950's in my computer, My PSU is the Corsair CX750M is it good enough? I know 750w should be enough but is the PSU reliable I haven't installed it yet PC specs Amd fx 8350 2x 4GB DDR3 corsair vengeance 2x sata 6 hdd 2x optical drives
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mastershake575

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#2 mastershake575
Member since 2007 • 8574 Posts

Yes the CX 750w is a great powersupply. Corsair makes great powersupplies and although the CX is considered there budget/average tier, the 750watt version of the CX is actually really nice (its the same design as the TX 750w).

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IQT786

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#3 IQT786
Member since 2005 • 2604 Posts
Awesome thanks
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deactivated-5a9b3f32ef4e9

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#4 deactivated-5a9b3f32ef4e9
Member since 2009 • 7779 Posts

Should be fine.

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horgen

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#5 horgen  Moderator
Member since 2006 • 127503 Posts
One easy way to check if it is enough, check how much amps you need on the 12V rail for two 7950. Should be listed at the AMD/ATI site. Then check how much your PSU can deliver.
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IQT786

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#6 IQT786
Member since 2005 • 2604 Posts

That power supply was struggling had to return it and get a corsair AX860 platinum

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#7 deactivated-5a9b3f32ef4e9
Member since 2009 • 7779 Posts

That power supply was struggling had to return it and get a corsair AX860 platinum

IQT786
Oh, strange. How was it struggling? I've ran 7970 crossfire on a 750W.
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IQT786

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#8 IQT786
Member since 2005 • 2604 Posts

[QUOTE="IQT786"]

That power supply was struggling had to return it and get a corsair AX860 platinum

Postmortem123

Oh, strange. How was it struggling? I've ran 7970 crossfire on a 750W.

screen would flicker also the the cards used to get really hot games crashing slowing down

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#9 deactivated-5a9b3f32ef4e9
Member since 2009 • 7779 Posts

Is everything fine with the new PSU?

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IQT786

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#10 IQT786
Member since 2005 • 2604 Posts

Is everything fine with the new PSU?

Postmortem123

yeah it's much smoother fps has gone up on games too and no heat problems

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#11 Alienware_fan
Member since 2010 • 1514 Posts

That power supply was struggling had to return it and get a corsair AX860 platinum

IQT786

I had the same problem on that psu with 7970 crossfire but no one believed me.

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IQT786

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#12 IQT786
Member since 2005 • 2604 Posts

[QUOTE="IQT786"]

That power supply was struggling had to return it and get a corsair AX860 platinum

Alienware_fan

I had the same problem on that psu with 7970 crossfire but no one believed me.

There's a reason why it's soo cheap i guess you get what you pay for