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Power supply for xfx radeon 4870 hd

Forum Graphic & Displays : ATI - Power supply for xfx radeon 4870 hd

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cera25   09-05-2009 at 05:59:18 PM

Hi, i have a blue star 650 watt power supply, is this enough for a xfx radeon 4870?

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thesupermedium   09-05-2009 at 06:13:48 PM
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It's plenty, as long as your maximum output is close to it's advertised wattage. I run mine (XFX 1GB) on a Cooler Master 600watt, no problems at all, and I also run it with a AMD Phenom II, which can be rather power hungry. You'll be fine I'm sure.


Message edited by thesupermedium on 09-05-2009 at 06:14:12 PM
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cera25   09-05-2009 at 06:26:44 PM
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Blue star, It's a good brand?

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thesupermedium   09-05-2009 at 06:44:24 PM
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Personally, I don't know much about that brand. I would imagine even if it dipped down to 550watts, it would still power the 4870. What are your system specs by the way? And also make sure your PSU has two 6 pin pci-e connectors. The 4870 requires those, although it comes with two adapters from 4 pin to 6 pin.

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cera25   09-05-2009 at 07:11:06 PM
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my specs:
amd phenom x4 black edition 2.6 Ghz
hd 500 gb
4gb ram
windows vista ultimate

I want to use 1 of the adapters from 4 pin to 6 pin, the psu only have one 6 pin pci-e connector.

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shubham1401   09-05-2009 at 07:20:32 PM
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You can see the amps on 12 v rail (Written on the PSU sticker).

Post it here and get your answer.

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shubham1401   09-05-2009 at 07:56:53 PM
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That would be enough.
Your PSU can handle that card fine.

The next time you buy a PSU , get a good brand PSU for sure.
Even a Corsair 400W has 30 amps.


Message edited by shubham1401 on 09-05-2009 at 07:57:25 PM
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coolwhhip   09-05-2009 at 11:56:28 PM
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what about this PSU to power the XFX 4870:

http://www.newegg.com/Product/Prod [...] 6817182032

I dont have much money to spend. It has only 19 amps on each 12V rail but 600W advertised so Im not sure how it will power the video card.

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thesupermedium   09-06-2009 at 02:45:28 AM
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Your power supply will be fine. Rosewill is a risky brand in my opinion anyway.

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dkev   09-06-2009 at 04:19:36 AM
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I run my 4870 oc'd on a OCZ 550. No problem.

Message quoted 1 times
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shubham1401   09-06-2009 at 08:34:24 AM
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dkev wrote :

I run my 4870 oc'd on a OCZ 550. No problem.




550w is plenty for a 4870(Even oc'ed).

And OCZ is much much better brand than Rosewill or some others............

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