I am thinking about going for either 7950 or going Xfire 7950 and replacing my GTX470 and i was wondering with my current setup would my PSU be able to handle the extra power needed? its a 650 Corsair Modular
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post #2 of 9
10/28/12 at 8:00am
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I think it will be fine.
http://www.guru3d.com/articles_pages/radeon_hd_7950_crossfire_review_2_and_3_way,5.html
279W by the cards(2 way crossfire) will give enough room for other components.
EDIT:

359W according to this review(maximum). Still its enough.
Edited by Makyl - 10/28/12 at 8:08am
http://www.guru3d.com/articles_pages/radeon_hd_7950_crossfire_review_2_and_3_way,5.html
279W by the cards(2 way crossfire) will give enough room for other components.
EDIT:
359W according to this review(maximum). Still its enough.
Edited by Makyl - 10/28/12 at 8:08am
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Thanks, so could need a bigger PSU if i went Xfire (to be safe)?
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post #4 of 9
10/28/12 at 2:19pm
To be safe yeah, especially if you are overclocking. But you shouldn't have any problems with a 650W.
You can use this calculator if you're not sure.
psuCalc_release.zip 2588k .zip file
You can use this calculator if you're not sure.
psuCalc_release.zip 2588k .zip file
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I read each card being the green one so thats was i was confused going Xfire should add just under 100w extra to my system
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post #6 of 9
10/28/12 at 6:05pm
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Unless you are adding a custom water loop or too many fans, 650W is fine.
Gets my work done
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Gets my work done
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Quote:
How many is to many fans?i have 3 fans on the case and another 4 on the H80 - that to many?

But no, no Custom Water cooling or anything.
The White Demon
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| Phenom II X6 BE 1090T | Asus CrossHair IV | Asus GTX 470 | Kingston HyperX Genesis Grey 8GB (2x4GB) |
| Hard Drive | Optical Drive | Cooling | OS |
| Samsung SpinPoint F3 1TB (x3) | Samsung SH-S223C/BEBE | Corsair H80 Push-Pull | Windows 7 |
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| Dell SP2309w | Cheap | 600 OCZ Modular | Corsair 600T SE |
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The White Demon
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|---|---|---|---|
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| Hard Drive | Optical Drive | Cooling | OS |
| Samsung SpinPoint F3 1TB (x3) | Samsung SH-S223C/BEBE | Corsair H80 Push-Pull | Windows 7 |
| Monitor | Keyboard | Power | Case |
| Dell SP2309w | Cheap | 600 OCZ Modular | Corsair 600T SE |
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post #8 of 9
10/29/12 at 5:11am
- OkanG
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Sorry for off-topic here:
What would a custom water loop exactly draw in power? I've never considered it to be that much, so I just wanna know.
What would a custom water loop exactly draw in power? I've never considered it to be that much, so I just wanna know.
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post #9 of 9
10/29/12 at 6:39am
Well, it completely depends on the type of loop.
Number of fans, Type of fans?
The pump will be the biggest difference. A Laing DDC Plus draws roughly up to 20W right? Some people use even 2 of these.
If you use a aquaero controller that will consume about 10W.
On the other hand chips will consume less power when they are cooled significantly better., but that again completely depends on the individual setup.
Number of fans, Type of fans?
The pump will be the biggest difference. A Laing DDC Plus draws roughly up to 20W right? Some people use even 2 of these.
If you use a aquaero controller that will consume about 10W.
On the other hand chips will consume less power when they are cooled significantly better., but that again completely depends on the individual setup.
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