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IS PSU 500W ENOUGH FOR AMD r9 280x ?

Last response: in Graphics & Displays
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March 27, 2014 3:18:43 AM

Hello,

Just wondering if 500w PSU will be enough for r9 280x ? Thanks.

System specs:

AMD fx6350
8gb ddr 3
PSU: Silverstone Strider Plus ST50F-P 500 W

More about : psu 500w amd 280x

March 27, 2014 3:25:24 AM

it should work but theres a risk as the psu will b around full load
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a b À AMD
March 27, 2014 3:36:40 AM

I wouldn't run a 280x on a fx cpu. Is that cpu overclocked?

You are safer off just getting a new 650W PSU. (that's what I did..520W to 650W for 280x)
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a c 330 À AMD
March 27, 2014 3:46:52 AM

Not all PSU's are created equal so what matters is the quality of the unit, so knowing the brand and model is important for correct answer. The Silverstone is a good unit and should handle it.
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a b À AMD
March 27, 2014 3:49:54 AM

That PSU will not run your system with an R9 280x installed at full load. It simply can't supply enough amperage on the 12 volt rail.

I would recommend this unit: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

The specs I found for that Silverstone unit list it with a 34 amp 12 volt rail.

The R9 280X should have a max TDP of 250 watts and the FX 6350 should have a 125 watt max TDP. That is a 31.25 amp load, even before we consider the rest of the system.
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a b À AMD
March 27, 2014 3:58:28 AM

That particular Silverstone unit is made by FSP and is considered a budget PSU, not an excellent PSU.
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March 27, 2014 4:19:04 AM

I went with an XFX 650W for my 280X. In the UK it's only £5 more expensive than the Silverstone 500W you linked and it supplies 53A, which is plenty. Great PSU, haven't had a problem with it.
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a b À AMD
March 27, 2014 4:24:25 AM

imokgoca said:

System specs:

AMD fx6350
8gb ddr 3
PSU: Silverstone Strider Plus ST50F-P 500 W


envy14tpe said:
I wouldn't run a 280x on a fx cpu. Is that cpu overclocked?


You have no idea what you're talking about, that CPU even at stock clockspeed is plenty enough to run any games
maxed out except crysis 3 and metro LL and in those game he will not maxout because of the GPU not the CPU...
The 6 core FX will feed an r9 280x @ 100% in any games.

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a c 330 À AMD
March 27, 2014 4:24:47 AM

bigpinkdragon286 said:
That particular Silverstone unit is made by FSP and is considered a budget PSU, not an excellent PSU.


It is not a gold rated top quality but still good http://www.hardwaresecrets.com/article/SilverStone-Stri...
I am going on the assumption that the OP already has it and is asking if it will run the card which it will, if he does not have it already then I would get a different unit.
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a b À AMD
March 27, 2014 4:25:33 AM

XFX is a good brand of PSU, manufactured by Seasonic.
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March 27, 2014 4:35:33 AM

envy14tpe said:
I wouldn't run a 280x on a fx cpu. Is that cpu overclocked?

You are safer off just getting a new 650W PSU. (that's what I did..520W to 650W for 280x)


paitjsu sadff said:
imokgoca said:

System specs:

AMD fx6350
8gb ddr 3
PSU: Silverstone Strider Plus ST50F-P 500 W


envy14tpe said:
I wouldn't run a 280x on a fx cpu. Is that cpu overclocked?


You have no idea what you're talking about, that CPU even at stock clockspeed is plenty enough to run any games
maxed out except crysis 3 and metro LL and in those game he will not maxout because of the GPU not the CPU...
The 6 core FX will feed an r9 280x @ 100% in any games.



Its not overclocked
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March 27, 2014 4:36:24 AM

rolli59 said:
bigpinkdragon286 said:
That particular Silverstone unit is made by FSP and is considered a budget PSU, not an excellent PSU.


It is not a gold rated top quality but still good http://www.hardwaresecrets.com/article/SilverStone-Stri...
I am going on the assumption that the OP already has it and is asking if it will run the card which it will, if he does not have it already then I would get a different unit.


I already have it yes
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a b À AMD
March 27, 2014 4:42:41 AM

imokgoca said:
envy14tpe said:
I wouldn't run a 280x on a fx cpu. Is that cpu overclocked?

You are safer off just getting a new 650W PSU. (that's what I did..520W to 650W for 280x)


paitjsu sadff said:
imokgoca said:

System specs:

AMD fx6350
8gb ddr 3
PSU: Silverstone Strider Plus ST50F-P 500 W


envy14tpe said:
I wouldn't run a 280x on a fx cpu. Is that cpu overclocked?


You have no idea what you're talking about, that CPU even at stock clockspeed is plenty enough to run any games
maxed out except crysis 3 and metro LL and in those game he will not maxout because of the GPU not the CPU...
The 6 core FX will feed an r9 280x @ 100% in any games.



Its not overclocked

it's okay as i said in my comment even at stock speed that CPU is well paired with a r9 280x it will not bottleneck the card in any way
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March 27, 2014 4:59:00 AM

50% comments yes, 50% comments no :) 
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March 27, 2014 5:02:47 AM

Darkpagey said:
I went with an XFX 650W for my 280X. In the UK it's only £5 more expensive than the Silverstone 500W you linked and it supplies 53A, which is plenty. Great PSU, haven't had a problem with it.


Unfortunately i already have silverstone.
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March 27, 2014 5:03:32 AM

bigpinkdragon286 said:
XFX is a good brand of PSU, manufactured by Seasonic.


Mine is silverstone, not XFX
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March 27, 2014 5:17:46 AM

Well then, the Silverstone is a good PSU but for the 280X it is in my opinion underpowered. Under load it's going to really struggle because the 280X is a power hungry card.
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a b À AMD
March 27, 2014 6:10:22 AM

Go ahead and run your 280x on that PSU...but if something happens then hate to say.....
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a b À AMD
March 27, 2014 7:06:37 AM

i'd suggest you use this tool : http://extreme.outervision.com/PSUEngine
enter everything that is in your PC that runs off that 500w PSU you have and hit calculate, i did it with standard stuff ( 1 hdd, 1ssd, 1dvd-r, 1 120mm fan, your CPU and a r9 280x) and the results is recommanded 484watts...so you'll be pretty close, i would order a new bronze certified 600w PSU if i where you...
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March 27, 2014 7:13:03 AM

Ok guys, thanks for all the answers, i guess the risk i can take or not is on me.
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March 27, 2014 7:14:27 AM

paitjsu sadff said:
i'd suggest you use this tool : http://extreme.outervision.com/PSUEngine
enter everything that is in your PC that runs off that 500w PSU you have and hit calculate, i did it with standard stuff ( 1 hdd, 1ssd, 1dvd-r, 1 120mm fan, your CPU and a r9 280x) and the results is recommanded 484watts...so you'll be pretty close, i would order a new bronze certified 600w PSU if i where you...


i get 504 W :) 
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a b À AMD
March 27, 2014 7:17:24 AM

imokgoca said:
paitjsu sadff said:
i'd suggest you use this tool : http://extreme.outervision.com/PSUEngine
enter everything that is in your PC that runs off that 500w PSU you have and hit calculate, i did it with standard stuff ( 1 hdd, 1ssd, 1dvd-r, 1 120mm fan, your CPU and a r9 280x) and the results is recommanded 484watts...so you'll be pretty close, i would order a new bronze certified 600w PSU if i where you...


i get 504 W :) 


there you go...so unless you would have a gold certified 500w PSU i wouldnt run that system of that powersupply for a prolonged time period...

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March 27, 2014 8:02:22 AM

paitjsu sadff said:
imokgoca said:
paitjsu sadff said:
i'd suggest you use this tool : http://extreme.outervision.com/PSUEngine
enter everything that is in your PC that runs off that 500w PSU you have and hit calculate, i did it with standard stuff ( 1 hdd, 1ssd, 1dvd-r, 1 120mm fan, your CPU and a r9 280x) and the results is recommanded 484watts...so you'll be pretty close, i would order a new bronze certified 600w PSU if i where you...


i get 504 W :) 


there you go...so unless you would have a gold certified 500w PSU i wouldnt run that system of that powersupply for a prolonged time period...



Thanks for answering. i guess ill consider getting corsair cx600.
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a b À AMD
March 27, 2014 8:28:31 AM

imokgoca said:
paitjsu sadff said:
imokgoca said:
paitjsu sadff said:
i'd suggest you use this tool : http://extreme.outervision.com/PSUEngine
enter everything that is in your PC that runs off that 500w PSU you have and hit calculate, i did it with standard stuff ( 1 hdd, 1ssd, 1dvd-r, 1 120mm fan, your CPU and a r9 280x) and the results is recommanded 484watts...so you'll be pretty close, i would order a new bronze certified 600w PSU if i where you...


i get 504 W :) 


there you go...so unless you would have a gold certified 500w PSU i wouldnt run that system of that powersupply for a prolonged time period...



Thanks for answering. i guess ill consider getting corsair cx600.


that would be a great idea, a good powersuply is a good invesstement and what money you put into it's quality you will most likely get back over time in energy savings...good quality PSU will need less powerdraw from the wall to convert into real usable power for your computer...they also last longer and provide more stable current for your PC, protecting the components from failing due to overvolting or undervolting...Corsair CX series are good PSU for the price...one thing to think about is that if you might go crossfire or SLI in the future you might want a 750w unit from the bat that way you have power to run 2 cards...its up to you, but 600 will be fine for your current system.
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a b À AMD
March 27, 2014 8:35:48 AM

Corsair CX PSUs are considered lowest passable PSU. I wouldn't want one running my 280x system. But good luck with that.
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a b À AMD
March 27, 2014 8:42:19 AM

envy14tpe said:
Corsair CX PSUs are considered lowest passable PSU. I wouldn't want one running my 280x system. But good luck with that.


Well the CX series is generaly considered by most as ''ok'' PSU, if possible i would look for a TX series they are better and often not that much more expensive...
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March 27, 2014 11:28:16 AM

paitjsu sadff said:
envy14tpe said:
Corsair CX PSUs are considered lowest passable PSU. I wouldn't want one running my 280x system. But good luck with that.


Well the CX series is generaly considered by most as ''ok'' PSU, if possible i would look for a TX series they are better and often not that much more expensive...


ok ill consider them, thanks
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a c 330 À AMD
March 27, 2014 12:42:09 PM

imokgoca said:
paitjsu sadff said:
i'd suggest you use this tool : http://extreme.outervision.com/PSUEngine
enter everything that is in your PC that runs off that 500w PSU you have and hit calculate, i did it with standard stuff ( 1 hdd, 1ssd, 1dvd-r, 1 120mm fan, your CPU and a r9 280x) and the results is recommanded 484watts...so you'll be pretty close, i would order a new bronze certified 600w PSU if i where you...


i get 504 W :) 


Calculators work but on assumptions, I posted a link above giving actual measured power draw from the wall. Corsair CX is worse than a Silverstone strider! Efficiency rating whether Gold or Bronze will not affect anything either because if rated 500watts it is the minimum they will deliver unless it is a generic crap PSU, it only affects how much you pull from the wall!
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a b À AMD
March 27, 2014 5:14:02 PM

rolli59, your link was to a system running a different processor, and while the CPU has a higher overall TDP, that doesn't mean the CPU was maxed out when performing the Furmark run.

Your link also said that the particular PSU benched was able to deliver up to 40 amps on the 12 volt rail, but really, how long is a power supply like that going to put out peak power?

Yes, that power supply will power his system with his card, but there is no guarantee of reliability. If the OP can't afford a new PSU, how is he supposed to afford a new graphics card if 6 months from now the Silverstone kicks the bucket catastrophically due to being overworked?

I agree about PSU calculators only working on assumptions.

I will say it again, I would recommend this unit: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

It's by no means the best PSU you can buy, but it should have no difficulty serving the OP's needs with his current system and an R9 280X, and will allow him to upgrade to a higher wattage graphics card in the future.

If the OP was willing to pay for a CX 600, this is in the same price ballpark, and it's by the top rated manufacturer of PSUs as well.
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a b À AMD
March 27, 2014 5:27:22 PM

that recommandation makes a lot of sence pinkdragon..nice price on that unit too...ill pick your post as the best answer and i think ill even grab one for myself!
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a c 330 À AMD
March 27, 2014 5:28:36 PM

bigpinkdragon286 said:
rolli59, your link was to a system running a different processor, and while the CPU has a higher overall TDP, that doesn't mean the CPU was maxed out when performing the Furmark run.

Your link also said that the particular PSU benched was able to deliver up to 40 amps on the 12 volt rail, but really, how long is a power supply like that going to put out peak power?

Yes, that power supply will power his system with his card, but there is no guarantee of reliability. If the OP can't afford a new PSU, how is he supposed to afford a new graphics card if 6 months from now the Silverstone kicks the bucket catastrophically due to being overworked?

I agree about PSU calculators only working on assumptions.

I will say it again, I would recommend this unit: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

It's by no means the best PSU you can buy, but it should have no difficulty serving the OP's needs with his current system and an R9 280X, and will allow him to upgrade to a higher wattage graphics card in the future.

If the OP was willing to pay for a CX 600, this is in the same price ballpark, and it's by the top rated manufacturer of PSUs as well.


The assumption is that an Overclocked Intel Hexa core would use more than the FX anyway! If OP is ready to buy a new PSU by all means but it would be very unlikely that the Silverstone would kill his components since it has all the built in protections that is required of modern quality PSU's! The rig would simply shut down.
The Corsair CX series is lower quality than the Silverstone using sub-par low temp Capacitors.
Either of these would be a much better choice http://pcpartpicker.com/part/xfx-power-supply-p1550sxxb... or http://pcpartpicker.com/part/antec-power-supply-hcg620m
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a b À AMD
March 27, 2014 5:39:12 PM

Both of the units you mention are made by Seasonic.

In regards the Furmark test, I believe Furmark only uses a single CPU core to load up the GPU, so it isn't a fair indicator of total system power consumption under load. That CPU isn't going to be pulling anywhere near it's max TDP if you're only loading a single core. That makes the test look even worse, in my opinion, if it's that close to the limits of the 500 watt PSU when the CPU isn't under a heavy load.
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a c 330 À AMD
March 27, 2014 5:46:56 PM

bigpinkdragon286 said:
Both of the units you mention are made by Seasonic.

In regards the Furmark test, I believe Furmark only uses a single CPU core to load up the GPU, so it isn't a fair indicator of total system power consumption under load. That CPU isn't going to be pulling anywhere near it's max TDP if you're only loading a single core. That makes the test look even worse, in my opinion, if it's that close to the limits of the 500 watt PSU when the CPU isn't under a heavy load.


Why concentrate on the Furmark test look at the gaming test using Metro! One of the more tasking games with even less power consumption!
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a b À AMD
March 27, 2014 6:10:10 PM

bottom line is op should try to run his pc with the silverstone psu and see what happens...if pc shuts down randowmy then psu is no enough get a new one...the psu as a failsafe so wort key scenario is pc shutdown..
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March 30, 2014 1:48:40 PM

paitjsu sadff said:
bottom line is op should try to run his pc with the silverstone psu and see what happens...if pc shuts down randowmy then psu is no enough get a new one...the psu as a failsafe so wort key scenario is pc shutdown..


Thanks for info!

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