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Can this PSU power an HD 6950?

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  • Power Supplies
  • HD
  • Components
Last response: in Components
November 30, 2011 6:25:14 PM

Let me start by saying that I am relatively new to building computers and I built my first one about 7 months ago.

I have this PSU in the link below and I am wondering if it will be okay to use with an HD 6950 video card if I decide to upgrade.

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

I've done a little searching around and have found that Rosewill PSU's are apparently not very good (I wish I would have known that before). I haven't had any problems with mine so far (knock on wood), but I'm worried that if I upgrade my graphics card to more a high end one, that I'll fry my whole system or something.

Let me know what you think.

More about : psu power 6950

November 30, 2011 6:38:01 PM

To run the 6950 AMD recommends at least a 500 watt powersupply (for all components not just video card!)

http://www.hardwaresecrets.com/article/Rosewill-Perform...

That is a review that looks at your specific power supply, and you are right, it is a little disconcerting, they almost explicity state it can't run at its peak rated power. However, I doubt this is an issue and unless you are doing some serious overclocking, you should be fine with a 6950.

In the future though, don't skimp on a power supply, skimp on a motherboard, a processor, supported RAM, anything but a powersupply!
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November 30, 2011 6:41:30 PM

Welve said:
To run the 6950 AMD recommends at least a 500 watt powersupply (for all components not just video card!)

http://www.hardwaresecrets.com/article/Rosewill-Perform...

That is a review that looks at your specific power supply, and you are right, it is a little disconcerting, they almost explicity state it can't run at its peak rated power. However, I doubt this is an issue and unless you are doing some serious overclocking, you should be fine with a 6950.

In the future though, don't skimp on a power supply, skimp on a motherboard, a processor, supported RAM, anything but a powersupply!


Yes, I am realizing that now! I think I'll go ahead and upgrade to the 6950, knowing that I'll probably be upgrading the PSU in the not to distant future as well.

Thanks for your quick response!
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November 30, 2011 7:02:47 PM

Sure, not a problem, hardwaresecrets is a good source for power supply reviews. They open them up and test them under extreme conditions and give an honest opinions, I bought my powersupply based on their review and I am very satisfied :) 
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a c 1669 ) Power supply
November 30, 2011 8:06:02 PM

The Hardware Secrets link, that @Welve provided, is not the same model (i.e. RP650-2) power supply as the model that you have (i.e. RP600V2-S-SL).

For a system running with a single Radeon HD 6950 a minimum 500 Watt or greater power supply with a combined +12 Volt continuous current rating of 26 Amps or greater and with at least two 6-pin PCI-Express Supplementary Power Connectors is recommended.

Your Rosewill Performance Series 600W (RP600V2-S-SL), with its claimed combined +12 Volt continuous current rating of 35 Amps and one 6-pin and one 6+2-pin PCI-Express Supplementary Power Connectors is theoretically sufficient.

I highly doubt that the RP600V2-S-SL is able to deliver any more than 28 Amps on the combined +12 Volt rails. It should still be able to power your system with a single Radeon HD 6950 but I wouldn't consider that power supply to be reliable unit.
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November 30, 2011 8:20:37 PM

Thank you for pointing that out ko888. It sounds like I should be looking to upgrade the power supply if I want to be safe.

What is the worst that could happen if I give my current power supply a shot and it doesn't work? Would I be risking damaging my computer components?

Thanks for the response.
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a c 1669 ) Power supply
November 30, 2011 8:34:44 PM

mikebjr86 said:
Thank you for pointing that out ko888. It sounds like I should be looking to upgrade the power supply if I want to be safe.

What is the worst that could happen if I give my current power supply a shot and it doesn't work? Would I be risking damaging my computer components?

Thanks for the response.

It might fail quietly within a few minutes with no visible signs of failure. But it could also fail catastrophically with sparks and take out the components that are attached to it.

I would say the quiet failure is the more likely scenario since that power supply unit has protection circuits (i.e. Over Current/Voltage/Power Protection, Under Voltage Protection, and Short Circuit Protection) built into it.
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a b ) Power supply
November 30, 2011 8:56:46 PM

yea, the rosewills aren't the greatest and multi rail supplies are a marketing trick. if its the only thing on its rail and your not overclocking it should be OK. Max draw is 200 Watts.

as for them failing... I did blow out a rosewill while running 2 4850s and maxing the CPU and gpus... but I was over the current limit and nothing got damaged...
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December 1, 2011 12:10:36 AM

Thanks for the help. This information has been very helpful.
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December 8, 2011 1:49:14 PM

Best answer selected by mikebjr86.
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