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Graphics card update question

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January 4, 2012 11:42:33 PM

I want to upgrade my graphics card which is currently a geforce g100. My computers power supply is 220 watts. (Specs here: http://support.acer.com/acerpanam/desktop/0000/Acer/Asp...) I was looking at buying a gt 430 (http://www.newegg.com/Product/Product.aspx?Item=N82E168...) but the recommended power supply was 300 watts on the nVidia website. I looked up my current video card and it also recommended a power supply of 300 watts, this card came with the computer and runs fine. I also noticed that the maximum card power was 14 watts more on the gt 430. Will this make much of a difference? Am I able to use the gt 430?
a c 253 U Graphics card
a c 80 ) Power supply
January 4, 2012 11:53:59 PM

It would seem so according to what you have posted and what I would do is look up a 300w power supply that would work in your system and see what the cost is and then add it to the cost of the card and if you can afford the total then you could go ahead and buy the video card and try it to see if it works with the 220w psu. If it doesn't then you can go ahead and get the 300w power supply. Another option is to get the card and if it doesn't work then return it within the 30 days and say it's incompatable with your computer. So you have a couple of choices you can go with.
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a c 181 U Graphics card
a b ) Power supply
January 5, 2012 12:17:32 AM

I have a GT 430 and it will not run on anything less than 300w and that is the lowest it will run on. Infact some other brand names will require you to get a 350w PSU to run that card. I have it in my dell Inspiration now.

I first put it in my Old dell optiplex which had a 250w PSU and the card would not run untill I put it in my other dell with the 300w PSU. If you are going to buy a new PSU Get a good brand name like Antec, XFX, Seasonic, and Corsair.
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a b U Graphics card
January 5, 2012 1:54:52 AM

DM186 said:
I have a GT 430 and it will not run on anything less than 300w and that is the lowest it will run on. Infact some other brand names will require you to get a 350w PSU to run that card. I have it in my dell Inspiration now.

I first put it in my Old dell optiplex which had a 250w PSU and the card would not run untill I put it in my other dell with the 300w PSU. If you are going to buy a new PSU Get a good brand name like Antec, XFX, Seasonic, and Corsair.
You're not making any sense. If you were making sense, you'd be talking about Amps. The max GPU power draw is 49W or ~4A. That means, he'll need ~5A over what his system draws under load currently. Depending on his system, it may likely only draw 200W load, or 16A. So long as he gets a PSU with 21A or so, it should get enough power to run just fine. Here's some info on total system power draw: http://www.tomshardware.com/reviews/intel-cpu-power-con...

Of course, that doesn't address the quality/reliability of the PSU. In which case--the Antec, XFX, Seasonic, or Corsair suggestion is VERY important. OP, you'd probably want a Corsair CX430. It goes on sale for $20 after rebate regularly.

OP--why do you want to upgrade your graphics? If it's for gaming, get a GT 240 DDR5 or Radeon 5670: http://www.tomshardware.com/reviews/fastest-graphics-ca...
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a c 181 U Graphics card
a b ) Power supply
January 5, 2012 2:36:38 AM

dalauder said:
You're not making any sense. If you were making sense, you'd be talking about Amps. The max GPU power draw is 49W or ~4A. That means, he'll need ~5A over what his system draws under load currently. Depending on his system, it may likely only draw 200W load, or 16A. So long as he gets a PSU with 21A or so, it should get enough power to run just fine. Here's some info on total system power draw: http://www.tomshardware.com/reviews/intel-cpu-power-con...

Of course, that doesn't address the quality/reliability of the PSU. In which case--the Antec, XFX, Seasonic, or Corsair suggestion is VERY important. OP, you'd probably want a Corsair CX430. It goes on sale for $20 after rebate regularly.

OP--why do you want to upgrade your graphics? If it's for gaming, get a GT 240 DDR5 or Radeon 5670: http://www.tomshardware.com/reviews/fastest-graphics-ca...



If the OP understood all of what you have explained to me then he wouldn't be asking for help. So all I was stating in simple terms so he would understand. And you are right about the formula in determening which GPU would work with a PSU.

When I first started to learn about computers I was lost and I wouldn't have understood one word about the power supply that you listed ubove. When you are in a good debate then that Info would be used but here not everybody is going to know what you are talking about. I may not be making any sense to you but maybe I was to him.

Not all people including me don't have a high IQ and you are a very Intelligent man and I respect you for the knowledge and experience that you share. I do learn a lot more than I thought I did and I learn from people like you.
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a b U Graphics card
January 5, 2012 3:10:35 AM

@DM186--Okay, you're right that I probably lost the OP there. But I do want the OP to look at the PSU label and tell me what it says next to It's just the 250W, 300W, or 350W thing could be misleading to say it won't work without that rating of a PSU because the OEM says so.

I think you were complimenting me...thanks...but now I feel awkward.

OP--I think we're trying to say (or at least I am), look at your PSU label. It should have a line that says +12V and say 16A next to it or something like that. That's the Amps on your +12 Volt power source (aka "rail").

Volts x Amps = Watts. So a 300W power supply gets most of it's power from the +12V rail, so it should get maybe 250W from there. 252W/12V = 21A and that's why we're saying you'll want about a 300W power supply. A bad 300W power supply might only have 12A and a good one may have 21A.

But there's more to a PSU than just the power it provides--the quality of that power matters and will affect the longevity of your other components. This might be a conversation for another time.

@DM186--You have a water-cooled i7-2600K that's not overclocked? That's a travesty. Spned 10 minutes and you'll have it at 4.2GHz.
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January 5, 2012 3:15:37 AM

omg dude just buy a new computer
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a c 181 U Graphics card
a b ) Power supply
January 5, 2012 3:25:02 AM

dalauder said:
@DM186--Okay, you're right that I probably lost the OP there. But I do want the OP to look at the PSU label and tell me what it says next to It's just the 250W, 300W, or 350W thing could be misleading to say it won't work without that rating of a PSU because the OEM says so.

I think you were complimenting me...thanks...but now I feel awkward.

OP--I think we're trying to say (or at least I am), look at your PSU label. It should have a line that says +12V and say 16A next to it or something like that. That's the Amps on your +12 Volt power source (aka "rail").

Volts x Amps = Watts. So a 300W power supply gets most of it's power from the +12V rail, so it should get maybe 250W from there. 252W/12V = 21A and that's why we're saying you'll want about a 300W power supply. A bad 300W power supply might only have 12A and a good one may have 21A.

But there's more to a PSU than just the power it provides--the quality of that power matters and will affect the longevity of your other components. This might be a conversation for another time.

@DM186--You have a water-cooled i7-2600K that's not overclocked? That's a travesty. Spned 10 minutes and you'll have it at 4.2GHz.



I will after I get a better PSU. Right now It is clock @3.9 and don't want ot push it. Thanks
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a b U Graphics card
January 5, 2012 3:47:11 AM

Kizza1234 said:
omg dude just buy a new computer
Why should he buy a new computer? He may have a perfectly adequate OEM machine that just needs a PSU if he wants to game.

DM186 said:
I will after I get a better PSU. Right now It is clock @3.9 and don't want ot push it. Thanks
It's kinda funny that I said anything. I have my i7-2600K @ 3.7GHz until I get a better cooler.
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a c 181 U Graphics card
a b ) Power supply
January 5, 2012 10:39:57 PM

albinomanNZ said:
I'm pretty sure this is the PSU I'm on.
http://www.ascendtech.us/delta-dps-220ub-a-220watt-powe...
I don't know if I can upgrade it, but would like to know what better cards I can put on it.



You could try this to see if that GPU will Work with you PSU.

http://educations.newegg.com/tool/psucalc/index.html

Or this one which is more complexed.

http://extreme.outervision.com/psucalculatorlite.jsp
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a c 253 U Graphics card
a c 80 ) Power supply
January 5, 2012 11:17:41 PM

A 220w power supply is pretty limited to what video cards will work on it and in order to have a decent worthwhile upgrade you may have to get the 300w psu. You can upgrade the psu it will just take some time and a little work but it can be done without much trouble. Then the selection of video cards will be better and you will be able to get a worthwhile upgrade.
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a c 253 U Graphics card
a c 80 ) Power supply
January 5, 2012 11:28:33 PM

Why don't you do like I suggested to do before and see what the 300w psu costs and get the 430 but keep in mind that you may have to get a better psu. If you have 22 amps on the +12 volt then you can use the psu that you have.
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January 6, 2012 11:58:20 PM

DM186 said:
You could try this to see if that GPU will Work with you PSU.

http://educations.newegg.com/tool/psucalc/index.html

Or this one which is more complexed.

http://extreme.outervision.com/psucalculatorlite.jsp



Thanks for the calculators, I wish I had found something like that earlier! It looks like the best card I can put on my current PSU is the geforce 210. About the PSU; I would upgrade it but I've got a small computer and heard that it was near-impossible to find a PSU that fits. If the PSU you pointed out fits that would be great but newegg doesn't deliver internationally, so I'd have to find it somewhere else.
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a c 181 U Graphics card
a b ) Power supply
January 7, 2012 12:07:48 AM

How about E-Bay? use the newegg as an example and part number and check there. Just a thought.
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a c 253 U Graphics card
a c 80 ) Power supply
January 7, 2012 1:08:07 AM

You can try Amazon they seem to be pretty much all over and I have come accross a few posts where people overseas were buying from Amazon and Amazon.com may have shipping capabilities worldwide.
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January 7, 2012 11:48:27 PM

I've got stuff from Amazon before and there quite good. Thanks for the suggestions guys.
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January 8, 2012 12:21:34 AM

Best answer selected by albinomanNZ.
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