Would OCZ 520watt run Radeon 6950?

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xinji

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Apr 13, 2011
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Hi guys, I've got a OCZ Modstream 520watt, it's a bit over 4 years old now since bought, but it's been stable the entire time.

I've googled a few forum posts saying it should run the latest Radeon 6950 just fine especially b/c OCZ is a so called 'good' brand, which I'd like it to be also. Might anyone have expertise with these things?

The card i'm hoping to buy http://www.newegg.ca/Product/Produc...ark=&IsFeedbackTab=true&Page=2#scrollFullInfo

Much Thx!!

**EDIT: Wooh! I'm very grateful for the quick replies just over one night. The power consumption testing and calculator links are a great help. I do believe Manufacturers/corporations do overstate PSU requirements somewhat, for safety concerns and some other shady reasons :P
I'm gon go ahead and buy it, thx for all ur reassurances & quick responses.

To 'a pet rock,' nice to see you here, i rmbr playing on your team in a game of Brink fairly coincidentally when it first came out, too bad the game's dead.
 
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It should... although it does only have one PCIe power connector on it. The 6950 uses around 200-watts if I'm not mistaking. Since that's the case, you should be fine.
 
First off, most if not all online calculators are crap.

Second, a 6950 and an old CPU won't need more than 400W.

Third, if it's four years old it might not be giving it's full 520W anymore. While I won't say you need to buy a new one now, you should be on the lookout for any warning signs of PSU failings. You should be good for now, though.
 
Anouthen said:
I'm not sure, but this tool should be able to let you know.http://educations.newegg.com/tool/psucalc/index.html
Click to expand...

That calculator always gives a number way higher than you would ever need.

Not surprising considering newegg is a corporation that is trying to make you spend more.

a more accurate (albeit not perfect) is this one:
http://extreme.outervision.com/psucalculatorlite.jsp

mad pistol said:
It should... although it does only have one PCIe power connector on it. The 6950 uses around 200-watts if I'm not mistaking. Since that's the case, you should be fine.
Click to expand...

you can use those little molex to PCIe adapter things.

a 6950 shouldn't use more than like 150w at most.



I would say it is fine. That said, It is 4 years old, and VERY 3.3/5v heavy, so it might have a problem there. There shouldn't be much risk, it seems to be a fairly high end unit, so it should have some sort of functioning OCP. TL;DR, it should be able to shut down if it cant power it.
 
reflex99 said:
you can use those little molex to PCIe adapter things.

a 6950 shouldn't use more than like 150w at most.
Click to expand...

Then why does it have 2 6-pin PCIe connectors? 150-watts at most is 75-watts at the PCIe slot + 75-watts for a 6-pin PCIe power connector. I think it uses more than 150-watts...
 
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My rig has i5-2500k @ 4.2ghz, 1x6870 video card, and LCD monitor. Running FurMark and Prime95 putting GPU and CPU at 100% utilization my UPS software shows 338 watts being drawn. With everything at idle 99 watts are drawn. A 520 watt PSU is sufficient. The more power the hotter the PSU will run. If you always near max capabilities the PSU will typically have a shorter life due to heat load. Heat kills. If you have an OLD PSU that has worked hard it might be worth $60.00 to $100.00 for a new one....
 
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